Home / 648,002.30-972,003.45-577,960.70

Finding the Fourth Proportional to 648,002.30, 972,003.45 and 577,960.70

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Solution

The fourth proportional to 648,002.30, 972,003.45 and 577,960.70 is: 866,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.30 : 972,003.45 = 577,960.70 : x
  2. Step 2: Convert to fraction form
    648,002.30/972,003.45 = 577,960.70/x
  3. Step 3: Cross multiply
    648,002.30x = 972,003.45 × 577,960.70
  4. Step 4: Simplify right side
    648,002.30x = 561,779,794,364.42
  5. Step 5: Solve for x
    x = 561,779,794,364.42/648,002.30
  6. Step 6: Final answer
    x = 866,941.05

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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.