Home / 784,221.80-1,176,332.70-740,676.20

Finding the Fourth Proportional to 784,221.80, 1,176,332.70 and 740,676.20

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Solution

The fourth proportional to 784,221.80, 1,176,332.70 and 740,676.20 is: 1,111,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,221.80 : 1,176,332.70 = 740,676.20 : x
  2. Step 2: Convert to fraction form
    784,221.80/1,176,332.70 = 740,676.20/x
  3. Step 3: Cross multiply
    784,221.80x = 1,176,332.70 × 740,676.20
  4. Step 4: Simplify right side
    784,221.80x = 871,281,634,171.74
  5. Step 5: Solve for x
    x = 871,281,634,171.74/784,221.80
  6. Step 6: Final answer
    x = 1,111,014.30

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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.