Home / 688,027.23-949,490.31-382,131.95

Finding the Fourth Proportional to 688,027.23, 949,490.31 and 382,131.95

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Solution

The fourth proportional to 688,027.23, 949,490.31 and 382,131.95 is: 527,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,027.23 : 949,490.31 = 382,131.95 : x
  2. Step 2: Convert to fraction form
    688,027.23/949,490.31 = 382,131.95/x
  3. Step 3: Cross multiply
    688,027.23x = 949,490.31 × 382,131.95
  4. Step 4: Simplify right side
    688,027.23x = 362,830,583,666.41
  5. Step 5: Solve for x
    x = 362,830,583,666.41/688,027.23
  6. Step 6: Final answer
    x = 527,349.16

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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.