Home / 928,585.90-1,393,272.87-507,369.70

Finding the Fourth Proportional to 928,585.90, 1,393,272.87 and 507,369.70

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Solution

The fourth proportional to 928,585.90, 1,393,272.87 and 507,369.70 is: 761,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,585.90 : 1,393,272.87 = 507,369.70 : x
  2. Step 2: Convert to fraction form
    928,585.90/1,393,272.87 = 507,369.70/x
  3. Step 3: Cross multiply
    928,585.90x = 1,393,272.87 × 507,369.70
  4. Step 4: Simplify right side
    928,585.90x = 706,904,438,070.04
  5. Step 5: Solve for x
    x = 706,904,438,070.04/928,585.90
  6. Step 6: Final answer
    x = 761,269.84

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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.