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Finding the Fourth Proportional to 522,037.17, 720,347.07 and 318,014.07

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Solution

The fourth proportional to 522,037.17, 720,347.07 and 318,014.07 is: 438,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,037.17 : 720,347.07 = 318,014.07 : x
  2. Step 2: Convert to fraction form
    522,037.17/720,347.07 = 318,014.07/x
  3. Step 3: Cross multiply
    522,037.17x = 720,347.07 × 318,014.07
  4. Step 4: Simplify right side
    522,037.17x = 229,080,502,034.53
  5. Step 5: Solve for x
    x = 229,080,502,034.53/522,037.17
  6. Step 6: Final answer
    x = 438,820.29

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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.