Home / 936,086.64-1,403,001.84-429,949.20

Finding the Fourth Proportional to 936,086.64, 1,403,001.84 and 429,949.20

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Solution

The fourth proportional to 936,086.64, 1,403,001.84 and 429,949.20 is: 644,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,086.64 : 1,403,001.84 = 429,949.20 : x
  2. Step 2: Convert to fraction form
    936,086.64/1,403,001.84 = 429,949.20/x
  3. Step 3: Cross multiply
    936,086.64x = 1,403,001.84 × 429,949.20
  4. Step 4: Simplify right side
    936,086.64x = 603,219,518,706.53
  5. Step 5: Solve for x
    x = 603,219,518,706.53/936,086.64
  6. Step 6: Final answer
    x = 644,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.