Home / 847,587.24-1,169,872.07-485,220.38

Finding the Fourth Proportional to 847,587.24, 1,169,872.07 and 485,220.38

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Solution

The fourth proportional to 847,587.24, 1,169,872.07 and 485,220.38 is: 669,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,587.24 : 1,169,872.07 = 485,220.38 : x
  2. Step 2: Convert to fraction form
    847,587.24/1,169,872.07 = 485,220.38/x
  3. Step 3: Cross multiply
    847,587.24x = 1,169,872.07 × 485,220.38
  4. Step 4: Simplify right side
    847,587.24x = 567,645,762,081.32
  5. Step 5: Solve for x
    x = 567,645,762,081.32/847,587.24
  6. Step 6: Final answer
    x = 669,719.57

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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.