Home / 688,058.10-949,488.66-382,154.04

Finding the Fourth Proportional to 688,058.10, 949,488.66 and 382,154.04

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Solution

The fourth proportional to 688,058.10, 949,488.66 and 382,154.04 is: 527,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,058.10 : 949,488.66 = 382,154.04 : x
  2. Step 2: Convert to fraction form
    688,058.10/949,488.66 = 382,154.04/x
  3. Step 3: Cross multiply
    688,058.10x = 949,488.66 × 382,154.04
  4. Step 4: Simplify right side
    688,058.10x = 362,850,927,353.19
  5. Step 5: Solve for x
    x = 362,850,927,353.19/688,058.10
  6. Step 6: Final answer
    x = 527,355.07

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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.