Home / 992,740.79-1,489,741.00-424,126.16

Finding the Fourth Proportional to 992,740.79, 1,489,741.00 and 424,126.16

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Solution

The fourth proportional to 992,740.79, 1,489,741.00 and 424,126.16 is: 636,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,740.79 : 1,489,741.00 = 424,126.16 : x
  2. Step 2: Convert to fraction form
    992,740.79/1,489,741.00 = 424,126.16/x
  3. Step 3: Cross multiply
    992,740.79x = 1,489,741.00 × 424,126.16
  4. Step 4: Simplify right side
    992,740.79x = 631,838,132,388.60
  5. Step 5: Solve for x
    x = 631,838,132,388.60/992,740.79
  6. Step 6: Final answer
    x = 636,458.32

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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.