Home / 926,253.70-1,388,654.79-365,707.78

Finding the Fourth Proportional to 926,253.70, 1,388,654.79 and 365,707.78

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Solution

The fourth proportional to 926,253.70, 1,388,654.79 and 365,707.78 is: 548,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,253.70 : 1,388,654.79 = 365,707.78 : x
  2. Step 2: Convert to fraction form
    926,253.70/1,388,654.79 = 365,707.78/x
  3. Step 3: Cross multiply
    926,253.70x = 1,388,654.79 × 365,707.78
  4. Step 4: Simplify right side
    926,253.70x = 507,841,860,437.27
  5. Step 5: Solve for x
    x = 507,841,860,437.27/926,253.70
  6. Step 6: Final answer
    x = 548,275.12

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1.5x scale

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.