Home / 662,897.18-914,804.28-376,423.22

Finding the Fourth Proportional to 662,897.18, 914,804.28 and 376,423.22

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Solution

The fourth proportional to 662,897.18, 914,804.28 and 376,423.22 is: 519,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,897.18 : 914,804.28 = 376,423.22 : x
  2. Step 2: Convert to fraction form
    662,897.18/914,804.28 = 376,423.22/x
  3. Step 3: Cross multiply
    662,897.18x = 914,804.28 × 376,423.22
  4. Step 4: Simplify right side
    662,897.18x = 344,353,572,747.38
  5. Step 5: Solve for x
    x = 344,353,572,747.38/662,897.18
  6. Step 6: Final answer
    x = 519,467.55

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Double scale
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1.5x scale

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.