Home / 754,275.02-1,130,665.20-354,199.61

Finding the Fourth Proportional to 754,275.02, 1,130,665.20 and 354,199.61

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Solution

The fourth proportional to 754,275.02, 1,130,665.20 and 354,199.61 is: 530,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,275.02 : 1,130,665.20 = 354,199.61 : x
  2. Step 2: Convert to fraction form
    754,275.02/1,130,665.20 = 354,199.61/x
  3. Step 3: Cross multiply
    754,275.02x = 1,130,665.20 × 354,199.61
  4. Step 4: Simplify right side
    754,275.02x = 400,481,174,378.99
  5. Step 5: Solve for x
    x = 400,481,174,378.99/754,275.02
  6. Step 6: Final answer
    x = 530,948.48

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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.