Home / 749,727.20-1,124,590.80-497,784.80

Finding the Fourth Proportional to 749,727.20, 1,124,590.80 and 497,784.80

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Solution

The fourth proportional to 749,727.20, 1,124,590.80 and 497,784.80 is: 746,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,727.20 : 1,124,590.80 = 497,784.80 : x
  2. Step 2: Convert to fraction form
    749,727.20/1,124,590.80 = 497,784.80/x
  3. Step 3: Cross multiply
    749,727.20x = 1,124,590.80 × 497,784.80
  4. Step 4: Simplify right side
    749,727.20x = 559,804,206,459.84
  5. Step 5: Solve for x
    x = 559,804,206,459.84/749,727.20
  6. Step 6: Final answer
    x = 746,677.20

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Double scale
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Similar ratio
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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.