Home / 712,078.08-1,066,937.28-500,683.20

Finding the Fourth Proportional to 712,078.08, 1,066,937.28 and 500,683.20

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Solution

The fourth proportional to 712,078.08, 1,066,937.28 and 500,683.20 is: 750,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,078.08 : 1,066,937.28 = 500,683.20 : x
  2. Step 2: Convert to fraction form
    712,078.08/1,066,937.28 = 500,683.20/x
  3. Step 3: Cross multiply
    712,078.08x = 1,066,937.28 × 500,683.20
  4. Step 4: Simplify right side
    712,078.08x = 534,197,571,549.70
  5. Step 5: Solve for x
    x = 534,197,571,549.70/712,078.08
  6. Step 6: Final answer
    x = 750,195.22

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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.