Home / 765,688.65-1,146,526.38-539,826.21

Finding the Fourth Proportional to 765,688.65, 1,146,526.38 and 539,826.21

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Solution

The fourth proportional to 765,688.65, 1,146,526.38 and 539,826.21 is: 808,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,688.65 : 1,146,526.38 = 539,826.21 : x
  2. Step 2: Convert to fraction form
    765,688.65/1,146,526.38 = 539,826.21/x
  3. Step 3: Cross multiply
    765,688.65x = 1,146,526.38 × 539,826.21
  4. Step 4: Simplify right side
    765,688.65x = 618,924,990,380.42
  5. Step 5: Solve for x
    x = 618,924,990,380.42/765,688.65
  6. Step 6: Final answer
    x = 808,324.62

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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.