Home / 891,496.60-1,229,966.10-509,252.74

Finding the Fourth Proportional to 891,496.60, 1,229,966.10 and 509,252.74

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Solution

The fourth proportional to 891,496.60, 1,229,966.10 and 509,252.74 is: 702,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,496.60 : 1,229,966.10 = 509,252.74 : x
  2. Step 2: Convert to fraction form
    891,496.60/1,229,966.10 = 509,252.74/x
  3. Step 3: Cross multiply
    891,496.60x = 1,229,966.10 × 509,252.74
  4. Step 4: Simplify right side
    891,496.60x = 626,363,606,532.11
  5. Step 5: Solve for x
    x = 626,363,606,532.11/891,496.60
  6. Step 6: Final answer
    x = 702,597.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.