Home / 559,482.03-772,085.19-304,833.21

Finding the Fourth Proportional to 559,482.03, 772,085.19 and 304,833.21

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Solution

The fourth proportional to 559,482.03, 772,085.19 and 304,833.21 is: 420,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,482.03 : 772,085.19 = 304,833.21 : x
  2. Step 2: Convert to fraction form
    559,482.03/772,085.19 = 304,833.21/x
  3. Step 3: Cross multiply
    559,482.03x = 772,085.19 × 304,833.21
  4. Step 4: Simplify right side
    559,482.03x = 235,357,206,861.16
  5. Step 5: Solve for x
    x = 235,357,206,861.16/559,482.03
  6. Step 6: Final answer
    x = 420,669.82

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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.