Home / 849,680.44-1,172,421.80-487,037.57

Finding the Fourth Proportional to 849,680.44, 1,172,421.80 and 487,037.57

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Solution

The fourth proportional to 849,680.44, 1,172,421.80 and 487,037.57 is: 672,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,680.44 : 1,172,421.80 = 487,037.57 : x
  2. Step 2: Convert to fraction form
    849,680.44/1,172,421.80 = 487,037.57/x
  3. Step 3: Cross multiply
    849,680.44x = 1,172,421.80 × 487,037.57
  4. Step 4: Simplify right side
    849,680.44x = 571,013,458,624.92
  5. Step 5: Solve for x
    x = 571,013,458,624.92/849,680.44
  6. Step 6: Final answer
    x = 672,033.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.