Home / 676,521.82-933,368.28-385,924.60

Finding the Fourth Proportional to 676,521.82, 933,368.28 and 385,924.60

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Solution

The fourth proportional to 676,521.82, 933,368.28 and 385,924.60 is: 532,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,521.82 : 933,368.28 = 385,924.60 : x
  2. Step 2: Convert to fraction form
    676,521.82/933,368.28 = 385,924.60/x
  3. Step 3: Cross multiply
    676,521.82x = 933,368.28 × 385,924.60
  4. Step 4: Simplify right side
    676,521.82x = 360,209,780,111.69
  5. Step 5: Solve for x
    x = 360,209,780,111.69/676,521.82
  6. Step 6: Final answer
    x = 532,443.70

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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.