Home / 558,818.76-771,186.40-395,766.98

Finding the Fourth Proportional to 558,818.76, 771,186.40 and 395,766.98

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Solution

The fourth proportional to 558,818.76, 771,186.40 and 395,766.98 is: 546,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,818.76 : 771,186.40 = 395,766.98 : x
  2. Step 2: Convert to fraction form
    558,818.76/771,186.40 = 395,766.98/x
  3. Step 3: Cross multiply
    558,818.76x = 771,186.40 × 395,766.98
  4. Step 4: Simplify right side
    558,818.76x = 305,210,112,545.07
  5. Step 5: Solve for x
    x = 305,210,112,545.07/558,818.76
  6. Step 6: Final answer
    x = 546,170.13

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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.