Home / 914,862.87-1,262,518.20-506,971.58

Finding the Fourth Proportional to 914,862.87, 1,262,518.20 and 506,971.58

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Solution

The fourth proportional to 914,862.87, 1,262,518.20 and 506,971.58 is: 699,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,862.87 : 1,262,518.20 = 506,971.58 : x
  2. Step 2: Convert to fraction form
    914,862.87/1,262,518.20 = 506,971.58/x
  3. Step 3: Cross multiply
    914,862.87x = 1,262,518.20 × 506,971.58
  4. Step 4: Simplify right side
    914,862.87x = 640,060,840,320.17
  5. Step 5: Solve for x
    x = 640,060,840,320.17/914,862.87
  6. Step 6: Final answer
    x = 699,624.90

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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.