Home / 1,380,030.30-2,070,045.45-433,496.70

Finding the Fourth Proportional to 1,380,030.30, 2,070,045.45 and 433,496.70

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Solution

The fourth proportional to 1,380,030.30, 2,070,045.45 and 433,496.70 is: 650,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,030.30 : 2,070,045.45 = 433,496.70 : x
  2. Step 2: Convert to fraction form
    1,380,030.30/2,070,045.45 = 433,496.70/x
  3. Step 3: Cross multiply
    1,380,030.30x = 2,070,045.45 × 433,496.70
  4. Step 4: Simplify right side
    1,380,030.30x = 897,357,871,425.02
  5. Step 5: Solve for x
    x = 897,357,871,425.02/1,380,030.30
  6. Step 6: Final answer
    x = 650,245.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.