Home / 628,472.17-942,710.19-155,157.58

Finding the Fourth Proportional to 628,472.17, 942,710.19 and 155,157.58

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Solution

The fourth proportional to 628,472.17, 942,710.19 and 155,157.58 is: 232,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,472.17 : 942,710.19 = 155,157.58 : x
  2. Step 2: Convert to fraction form
    628,472.17/942,710.19 = 155,157.58/x
  3. Step 3: Cross multiply
    628,472.17x = 942,710.19 × 155,157.58
  4. Step 4: Simplify right side
    628,472.17x = 146,268,631,721.74
  5. Step 5: Solve for x
    x = 146,268,631,721.74/628,472.17
  6. Step 6: Final answer
    x = 232,736.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.