Home / 743,178.02-1,025,580.03-403,648.70

Finding the Fourth Proportional to 743,178.02, 1,025,580.03 and 403,648.70

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Solution

The fourth proportional to 743,178.02, 1,025,580.03 and 403,648.70 is: 557,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,178.02 : 1,025,580.03 = 403,648.70 : x
  2. Step 2: Convert to fraction form
    743,178.02/1,025,580.03 = 403,648.70/x
  3. Step 3: Cross multiply
    743,178.02x = 1,025,580.03 × 403,648.70
  4. Step 4: Simplify right side
    743,178.02x = 413,974,045,855.46
  5. Step 5: Solve for x
    x = 413,974,045,855.46/743,178.02
  6. Step 6: Final answer
    x = 557,032.14

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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.