Home / 840,055.08-1,159,497-477,691.32

Finding the Fourth Proportional to 840,055.08, 1,159,497 and 477,691.32

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Solution

The fourth proportional to 840,055.08, 1,159,497 and 477,691.32 is: 659,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,055.08 : 1,159,497 = 477,691.32 : x
  2. Step 2: Convert to fraction form
    840,055.08/1,159,497 = 477,691.32/x
  3. Step 3: Cross multiply
    840,055.08x = 1,159,497 × 477,691.32
  4. Step 4: Simplify right side
    840,055.08x = 553,881,652,466.04
  5. Step 5: Solve for x
    x = 553,881,652,466.04/840,055.08
  6. Step 6: Final answer
    x = 659,339.69

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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.