Home / 870,434.64-1,201,286.08-488,462.92

Finding the Fourth Proportional to 870,434.64, 1,201,286.08 and 488,462.92

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Solution

The fourth proportional to 870,434.64, 1,201,286.08 and 488,462.92 is: 674,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,434.64 : 1,201,286.08 = 488,462.92 : x
  2. Step 2: Convert to fraction form
    870,434.64/1,201,286.08 = 488,462.92/x
  3. Step 3: Cross multiply
    870,434.64x = 1,201,286.08 × 488,462.92
  4. Step 4: Simplify right side
    870,434.64x = 586,783,706,392.15
  5. Step 5: Solve for x
    x = 586,783,706,392.15/870,434.64
  6. Step 6: Final answer
    x = 674,127.25

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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.