Home / 712,776.26-1,069,035.23-286,294.85

Finding the Fourth Proportional to 712,776.26, 1,069,035.23 and 286,294.85

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Solution

The fourth proportional to 712,776.26, 1,069,035.23 and 286,294.85 is: 429,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,776.26 : 1,069,035.23 = 286,294.85 : x
  2. Step 2: Convert to fraction form
    712,776.26/1,069,035.23 = 286,294.85/x
  3. Step 3: Cross multiply
    712,776.26x = 1,069,035.23 × 286,294.85
  4. Step 4: Simplify right side
    712,776.26x = 306,059,285,002.51
  5. Step 5: Solve for x
    x = 306,059,285,002.51/712,776.26
  6. Step 6: Final answer
    x = 429,390.40

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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.