Home / 559,785.98-772,475.48-318,035

Finding the Fourth Proportional to 559,785.98, 772,475.48 and 318,035

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Solution

The fourth proportional to 559,785.98, 772,475.48 and 318,035 is: 438,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,785.98 : 772,475.48 = 318,035 : x
  2. Step 2: Convert to fraction form
    559,785.98/772,475.48 = 318,035/x
  3. Step 3: Cross multiply
    559,785.98x = 772,475.48 × 318,035
  4. Step 4: Simplify right side
    559,785.98x = 245,674,239,281.80
  5. Step 5: Solve for x
    x = 245,674,239,281.80/559,785.98
  6. Step 6: Final answer
    x = 438,871.73

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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.