Home / 765,706.96-1,148,613.18-260,061.58

Finding the Fourth Proportional to 765,706.96, 1,148,613.18 and 260,061.58

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Solution

The fourth proportional to 765,706.96, 1,148,613.18 and 260,061.58 is: 390,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,706.96 : 1,148,613.18 = 260,061.58 : x
  2. Step 2: Convert to fraction form
    765,706.96/1,148,613.18 = 260,061.58/x
  3. Step 3: Cross multiply
    765,706.96x = 1,148,613.18 × 260,061.58
  4. Step 4: Simplify right side
    765,706.96x = 298,710,158,399.62
  5. Step 5: Solve for x
    x = 298,710,158,399.62/765,706.96
  6. Step 6: Final answer
    x = 390,110.28

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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.