Home / 732,047.28-1,009,919.52-477,389.76

Finding the Fourth Proportional to 732,047.28, 1,009,919.52 and 477,389.76

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Solution

The fourth proportional to 732,047.28, 1,009,919.52 and 477,389.76 is: 658,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,047.28 : 1,009,919.52 = 477,389.76 : x
  2. Step 2: Convert to fraction form
    732,047.28/1,009,919.52 = 477,389.76/x
  3. Step 3: Cross multiply
    732,047.28x = 1,009,919.52 × 477,389.76
  4. Step 4: Simplify right side
    732,047.28x = 482,125,237,272.12
  5. Step 5: Solve for x
    x = 482,125,237,272.12/732,047.28
  6. Step 6: Final answer
    x = 658,598.50

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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.