Home / 765,117.01-1,147,815.62-315,592.65

Finding the Fourth Proportional to 765,117.01, 1,147,815.62 and 315,592.65

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Solution

The fourth proportional to 765,117.01, 1,147,815.62 and 315,592.65 is: 473,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,117.01 : 1,147,815.62 = 315,592.65 : x
  2. Step 2: Convert to fraction form
    765,117.01/1,147,815.62 = 315,592.65/x
  3. Step 3: Cross multiply
    765,117.01x = 1,147,815.62 × 315,592.65
  4. Step 4: Simplify right side
    765,117.01x = 362,242,175,334.42
  5. Step 5: Solve for x
    x = 362,242,175,334.42/765,117.01
  6. Step 6: Final answer
    x = 473,446.77

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Double scale
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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.