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Finding the Fourth Proportional to 556,179.96, 767,498.70 and 314,448.12

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Solution

The fourth proportional to 556,179.96, 767,498.70 and 314,448.12 is: 433,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,179.96 : 767,498.70 = 314,448.12 : x
  2. Step 2: Convert to fraction form
    556,179.96/767,498.70 = 314,448.12/x
  3. Step 3: Cross multiply
    556,179.96x = 767,498.70 × 314,448.12
  4. Step 4: Simplify right side
    556,179.96x = 241,338,523,317.44
  5. Step 5: Solve for x
    x = 241,338,523,317.44/556,179.96
  6. Step 6: Final answer
    x = 433,921.65

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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.