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Finding the Fourth Proportional to 720,294.24, 992,820.60 and 510,812.04

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Solution

The fourth proportional to 720,294.24, 992,820.60 and 510,812.04 is: 704,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,294.24 : 992,820.60 = 510,812.04 : x
  2. Step 2: Convert to fraction form
    720,294.24/992,820.60 = 510,812.04/x
  3. Step 3: Cross multiply
    720,294.24x = 992,820.60 × 510,812.04
  4. Step 4: Simplify right side
    720,294.24x = 507,144,716,040.02
  5. Step 5: Solve for x
    x = 507,144,716,040.02/720,294.24
  6. Step 6: Final answer
    x = 704,079.93

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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.