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Finding the Fourth Proportional to 585,064.38, 807,475.02 and 343,480.20

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Solution

The fourth proportional to 585,064.38, 807,475.02 and 343,480.20 is: 474,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,064.38 : 807,475.02 = 343,480.20 : x
  2. Step 2: Convert to fraction form
    585,064.38/807,475.02 = 343,480.20/x
  3. Step 3: Cross multiply
    585,064.38x = 807,475.02 × 343,480.20
  4. Step 4: Simplify right side
    585,064.38x = 277,351,681,364.60
  5. Step 5: Solve for x
    x = 277,351,681,364.60/585,064.38
  6. Step 6: Final answer
    x = 474,053.27

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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.