Home / 712,909.55-1,069,430.07-233,139.84

Finding the Fourth Proportional to 712,909.55, 1,069,430.07 and 233,139.84

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Solution

The fourth proportional to 712,909.55, 1,069,430.07 and 233,139.84 is: 349,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,909.55 : 1,069,430.07 = 233,139.84 : x
  2. Step 2: Convert to fraction form
    712,909.55/1,069,430.07 = 233,139.84/x
  3. Step 3: Cross multiply
    712,909.55x = 1,069,430.07 × 233,139.84
  4. Step 4: Simplify right side
    712,909.55x = 249,326,759,331.10
  5. Step 5: Solve for x
    x = 249,326,759,331.10/712,909.55
  6. Step 6: Final answer
    x = 349,731.26

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Double scale
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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.