Home / 923,454.60-1,386,348.30-497,329.80

Finding the Fourth Proportional to 923,454.60, 1,386,348.30 and 497,329.80

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Solution

The fourth proportional to 923,454.60, 1,386,348.30 and 497,329.80 is: 746,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,454.60 : 1,386,348.30 = 497,329.80 : x
  2. Step 2: Convert to fraction form
    923,454.60/1,386,348.30 = 497,329.80/x
  3. Step 3: Cross multiply
    923,454.60x = 1,386,348.30 × 497,329.80
  4. Step 4: Simplify right side
    923,454.60x = 689,472,322,769.34
  5. Step 5: Solve for x
    x = 689,472,322,769.34/923,454.60
  6. Step 6: Final answer
    x = 746,622.87

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1.5x scale

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.