Home / 749,436.12-1,034,246.55-409,904.34

Finding the Fourth Proportional to 749,436.12, 1,034,246.55 and 409,904.34

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Solution

The fourth proportional to 749,436.12, 1,034,246.55 and 409,904.34 is: 565,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,436.12 : 1,034,246.55 = 409,904.34 : x
  2. Step 2: Convert to fraction form
    749,436.12/1,034,246.55 = 409,904.34/x
  3. Step 3: Cross multiply
    749,436.12x = 1,034,246.55 × 409,904.34
  4. Step 4: Simplify right side
    749,436.12x = 423,942,149,475.03
  5. Step 5: Solve for x
    x = 423,942,149,475.03/749,436.12
  6. Step 6: Final answer
    x = 565,681.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.