Home / 712,898.16-1,069,347-180,421.92

Finding the Fourth Proportional to 712,898.16, 1,069,347 and 180,421.92

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Solution

The fourth proportional to 712,898.16, 1,069,347 and 180,421.92 is: 270,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,898.16 : 1,069,347 = 180,421.92 : x
  2. Step 2: Convert to fraction form
    712,898.16/1,069,347 = 180,421.92/x
  3. Step 3: Cross multiply
    712,898.16x = 1,069,347 × 180,421.92
  4. Step 4: Simplify right side
    712,898.16x = 192,933,638,886.24
  5. Step 5: Solve for x
    x = 192,933,638,886.24/712,898.16
  6. Step 6: Final answer
    x = 270,632.82

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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.