Home / 732,643.62-1,011,541.89-457,420.92

Finding the Fourth Proportional to 732,643.62, 1,011,541.89 and 457,420.92

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Solution

The fourth proportional to 732,643.62, 1,011,541.89 and 457,420.92 is: 631,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,643.62 : 1,011,541.89 = 457,420.92 : x
  2. Step 2: Convert to fraction form
    732,643.62/1,011,541.89 = 457,420.92/x
  3. Step 3: Cross multiply
    732,643.62x = 1,011,541.89 × 457,420.92
  4. Step 4: Simplify right side
    732,643.62x = 462,700,421,942.34
  5. Step 5: Solve for x
    x = 462,700,421,942.34/732,643.62
  6. Step 6: Final answer
    x = 631,549.10

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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.