Home / 779,315.20-1,166,899.20-497,305.60

Finding the Fourth Proportional to 779,315.20, 1,166,899.20 and 497,305.60

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Solution

The fourth proportional to 779,315.20, 1,166,899.20 and 497,305.60 is: 744,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,315.20 : 1,166,899.20 = 497,305.60 : x
  2. Step 2: Convert to fraction form
    779,315.20/1,166,899.20 = 497,305.60/x
  3. Step 3: Cross multiply
    779,315.20x = 1,166,899.20 × 497,305.60
  4. Step 4: Simplify right side
    779,315.20x = 580,305,506,795.52
  5. Step 5: Solve for x
    x = 580,305,506,795.52/779,315.20
  6. Step 6: Final answer
    x = 744,635.17

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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.