Home / 765,088.34-1,147,140.42-365,720.27

Finding the Fourth Proportional to 765,088.34, 1,147,140.42 and 365,720.27

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Solution

The fourth proportional to 765,088.34, 1,147,140.42 and 365,720.27 is: 548,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,088.34 : 1,147,140.42 = 365,720.27 : x
  2. Step 2: Convert to fraction form
    765,088.34/1,147,140.42 = 365,720.27/x
  3. Step 3: Cross multiply
    765,088.34x = 1,147,140.42 × 365,720.27
  4. Step 4: Simplify right side
    765,088.34x = 419,532,504,130.31
  5. Step 5: Solve for x
    x = 419,532,504,130.31/765,088.34
  6. Step 6: Final answer
    x = 548,345.18

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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.