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Finding the Fourth Proportional to 719,002.42, 992,582.88 and 447,157.92

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Solution

The fourth proportional to 719,002.42, 992,582.88 and 447,157.92 is: 617,301.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,002.42 : 992,582.88 = 447,157.92 : x
  2. Step 2: Convert to fraction form
    719,002.42/992,582.88 = 447,157.92/x
  3. Step 3: Cross multiply
    719,002.42x = 992,582.88 × 447,157.92
  4. Step 4: Simplify right side
    719,002.42x = 443,841,292,510.48
  5. Step 5: Solve for x
    x = 443,841,292,510.48/719,002.42
  6. Step 6: Final answer
    x = 617,301.53

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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.