Home / 940,782.12-1,298,385.22-532,911.72

Finding the Fourth Proportional to 940,782.12, 1,298,385.22 and 532,911.72

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Solution

The fourth proportional to 940,782.12, 1,298,385.22 and 532,911.72 is: 735,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,782.12 : 1,298,385.22 = 532,911.72 : x
  2. Step 2: Convert to fraction form
    940,782.12/1,298,385.22 = 532,911.72/x
  3. Step 3: Cross multiply
    940,782.12x = 1,298,385.22 × 532,911.72
  4. Step 4: Simplify right side
    940,782.12x = 691,924,700,812.78
  5. Step 5: Solve for x
    x = 691,924,700,812.78/940,782.12
  6. Step 6: Final answer
    x = 735,478.16

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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.