Home / 774,478.80-1,160,205.24-507,427.92

Finding the Fourth Proportional to 774,478.80, 1,160,205.24 and 507,427.92

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Solution

The fourth proportional to 774,478.80, 1,160,205.24 and 507,427.92 is: 760,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,478.80 : 1,160,205.24 = 507,427.92 : x
  2. Step 2: Convert to fraction form
    774,478.80/1,160,205.24 = 507,427.92/x
  3. Step 3: Cross multiply
    774,478.80x = 1,160,205.24 × 507,427.92
  4. Step 4: Simplify right side
    774,478.80x = 588,720,531,706.30
  5. Step 5: Solve for x
    x = 588,720,531,706.30/774,478.80
  6. Step 6: Final answer
    x = 760,150.61

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Double scale
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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.