Home / 874,672.40-1,207,071.24-492,676.40

Finding the Fourth Proportional to 874,672.40, 1,207,071.24 and 492,676.40

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Solution

The fourth proportional to 874,672.40, 1,207,071.24 and 492,676.40 is: 679,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,672.40 : 1,207,071.24 = 492,676.40 : x
  2. Step 2: Convert to fraction form
    874,672.40/1,207,071.24 = 492,676.40/x
  3. Step 3: Cross multiply
    874,672.40x = 1,207,071.24 × 492,676.40
  4. Step 4: Simplify right side
    874,672.40x = 594,695,513,066.74
  5. Step 5: Solve for x
    x = 594,695,513,066.74/874,672.40
  6. Step 6: Final answer
    x = 679,906.57

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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.