Home / 753,085.15-1,038,997.72-481,312.13

Finding the Fourth Proportional to 753,085.15, 1,038,997.72 and 481,312.13

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Solution

The fourth proportional to 753,085.15, 1,038,997.72 and 481,312.13 is: 664,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,085.15 : 1,038,997.72 = 481,312.13 : x
  2. Step 2: Convert to fraction form
    753,085.15/1,038,997.72 = 481,312.13/x
  3. Step 3: Cross multiply
    753,085.15x = 1,038,997.72 × 481,312.13
  4. Step 4: Simplify right side
    753,085.15x = 500,082,201,085.00
  5. Step 5: Solve for x
    x = 500,082,201,085.00/753,085.15
  6. Step 6: Final answer
    x = 664,044.70

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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.