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Finding the Fourth Proportional to 556,084.02, 767,397.10 and 301,435.20

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Solution

The fourth proportional to 556,084.02, 767,397.10 and 301,435.20 is: 415,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,084.02 : 767,397.10 = 301,435.20 : x
  2. Step 2: Convert to fraction form
    556,084.02/767,397.10 = 301,435.20/x
  3. Step 3: Cross multiply
    556,084.02x = 767,397.10 × 301,435.20
  4. Step 4: Simplify right side
    556,084.02x = 231,320,498,317.92
  5. Step 5: Solve for x
    x = 231,320,498,317.92/556,084.02
  6. Step 6: Final answer
    x = 415,981.20

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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.