Home / 648,002.90-972,004.35-577,144.10

Finding the Fourth Proportional to 648,002.90, 972,004.35 and 577,144.10

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Solution

The fourth proportional to 648,002.90, 972,004.35 and 577,144.10 is: 865,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.90 : 972,004.35 = 577,144.10 : x
  2. Step 2: Convert to fraction form
    648,002.90/972,004.35 = 577,144.10/x
  3. Step 3: Cross multiply
    648,002.90x = 972,004.35 × 577,144.10
  4. Step 4: Simplify right side
    648,002.90x = 560,986,575,776.84
  5. Step 5: Solve for x
    x = 560,986,575,776.84/648,002.90
  6. Step 6: Final answer
    x = 865,716.15

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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.