Home / 712,508.71-1,069,483.23-631,983.70

Finding the Fourth Proportional to 712,508.71, 1,069,483.23 and 631,983.70

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Solution

The fourth proportional to 712,508.71, 1,069,483.23 and 631,983.70 is: 948,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,508.71 : 1,069,483.23 = 631,983.70 : x
  2. Step 2: Convert to fraction form
    712,508.71/1,069,483.23 = 631,983.70/x
  3. Step 3: Cross multiply
    712,508.71x = 1,069,483.23 × 631,983.70
  4. Step 4: Simplify right side
    712,508.71x = 675,895,968,783.35
  5. Step 5: Solve for x
    x = 675,895,968,783.35/712,508.71
  6. Step 6: Final answer
    x = 948,614.32

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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.