Home / 622,134.24-858,531.12-346,490.16

Finding the Fourth Proportional to 622,134.24, 858,531.12 and 346,490.16

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Solution

The fourth proportional to 622,134.24, 858,531.12 and 346,490.16 is: 478,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,134.24 : 858,531.12 = 346,490.16 : x
  2. Step 2: Convert to fraction form
    622,134.24/858,531.12 = 346,490.16/x
  3. Step 3: Cross multiply
    622,134.24x = 858,531.12 × 346,490.16
  4. Step 4: Simplify right side
    622,134.24x = 297,472,585,133.78
  5. Step 5: Solve for x
    x = 297,472,585,133.78/622,134.24
  6. Step 6: Final answer
    x = 478,148.55

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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.