Home / 669,038.90-1,003,558.35-615,125.30

Finding the Fourth Proportional to 669,038.90, 1,003,558.35 and 615,125.30

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Solution

The fourth proportional to 669,038.90, 1,003,558.35 and 615,125.30 is: 922,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,038.90 : 1,003,558.35 = 615,125.30 : x
  2. Step 2: Convert to fraction form
    669,038.90/1,003,558.35 = 615,125.30/x
  3. Step 3: Cross multiply
    669,038.90x = 1,003,558.35 × 615,125.30
  4. Step 4: Simplify right side
    669,038.90x = 617,314,131,111.26
  5. Step 5: Solve for x
    x = 617,314,131,111.26/669,038.90
  6. Step 6: Final answer
    x = 922,687.95

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Double scale
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Similar ratio
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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.