Home / 559,659.02-772,332.11-317,954.85

Finding the Fourth Proportional to 559,659.02, 772,332.11 and 317,954.85

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Solution

The fourth proportional to 559,659.02, 772,332.11 and 317,954.85 is: 438,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,659.02 : 772,332.11 = 317,954.85 : x
  2. Step 2: Convert to fraction form
    559,659.02/772,332.11 = 317,954.85/x
  3. Step 3: Cross multiply
    559,659.02x = 772,332.11 × 317,954.85
  4. Step 4: Simplify right side
    559,659.02x = 245,566,740,526.29
  5. Step 5: Solve for x
    x = 245,566,740,526.29/559,659.02
  6. Step 6: Final answer
    x = 438,779.21

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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.