Home / 738,337.80-1,107,752.40-265,060.20

Finding the Fourth Proportional to 738,337.80, 1,107,752.40 and 265,060.20

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Solution

The fourth proportional to 738,337.80, 1,107,752.40 and 265,060.20 is: 397,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,337.80 : 1,107,752.40 = 265,060.20 : x
  2. Step 2: Convert to fraction form
    738,337.80/1,107,752.40 = 265,060.20/x
  3. Step 3: Cross multiply
    738,337.80x = 1,107,752.40 × 265,060.20
  4. Step 4: Simplify right side
    738,337.80x = 293,621,072,694.48
  5. Step 5: Solve for x
    x = 293,621,072,694.48/738,337.80
  6. Step 6: Final answer
    x = 397,678.51

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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.