Home / 765,116.76-1,146,345.08-536,928.40

Finding the Fourth Proportional to 765,116.76, 1,146,345.08 and 536,928.40

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Solution

The fourth proportional to 765,116.76, 1,146,345.08 and 536,928.40 is: 804,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,116.76 : 1,146,345.08 = 536,928.40 : x
  2. Step 2: Convert to fraction form
    765,116.76/1,146,345.08 = 536,928.40/x
  3. Step 3: Cross multiply
    765,116.76x = 1,146,345.08 × 536,928.40
  4. Step 4: Simplify right side
    765,116.76x = 615,505,229,652.27
  5. Step 5: Solve for x
    x = 615,505,229,652.27/765,116.76
  6. Step 6: Final answer
    x = 804,459.22

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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.