Home / 926,810.10-1,387,882.35-609,549.30

Finding the Fourth Proportional to 926,810.10, 1,387,882.35 and 609,549.30

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Solution

The fourth proportional to 926,810.10, 1,387,882.35 and 609,549.30 is: 912,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,810.10 : 1,387,882.35 = 609,549.30 : x
  2. Step 2: Convert to fraction form
    926,810.10/1,387,882.35 = 609,549.30/x
  3. Step 3: Cross multiply
    926,810.10x = 1,387,882.35 × 609,549.30
  4. Step 4: Simplify right side
    926,810.10x = 845,982,714,924.86
  5. Step 5: Solve for x
    x = 845,982,714,924.86/926,810.10
  6. Step 6: Final answer
    x = 912,789.70

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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.