Home / 921,929.12-1,384,184.32-472,966.64

Finding the Fourth Proportional to 921,929.12, 1,384,184.32 and 472,966.64

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Solution

The fourth proportional to 921,929.12, 1,384,184.32 and 472,966.64 is: 710,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,929.12 : 1,384,184.32 = 472,966.64 : x
  2. Step 2: Convert to fraction form
    921,929.12/1,384,184.32 = 472,966.64/x
  3. Step 3: Cross multiply
    921,929.12x = 1,384,184.32 × 472,966.64
  4. Step 4: Simplify right side
    921,929.12x = 654,673,006,971.09
  5. Step 5: Solve for x
    x = 654,673,006,971.09/921,929.12
  6. Step 6: Final answer
    x = 710,112.08

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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.