Home / 559,046.47-771,484.14-304,397.66

Finding the Fourth Proportional to 559,046.47, 771,484.14 and 304,397.66

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Solution

The fourth proportional to 559,046.47, 771,484.14 and 304,397.66 is: 420,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,046.47 : 771,484.14 = 304,397.66 : x
  2. Step 2: Convert to fraction form
    559,046.47/771,484.14 = 304,397.66/x
  3. Step 3: Cross multiply
    559,046.47x = 771,484.14 × 304,397.66
  4. Step 4: Simplify right side
    559,046.47x = 234,837,961,563.70
  5. Step 5: Solve for x
    x = 234,837,961,563.70/559,046.47
  6. Step 6: Final answer
    x = 420,068.77

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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.