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Finding the Fourth Proportional to 578,501.60, 798,308.88 and 336,791.12

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Solution

The fourth proportional to 578,501.60, 798,308.88 and 336,791.12 is: 464,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,501.60 : 798,308.88 = 336,791.12 : x
  2. Step 2: Convert to fraction form
    578,501.60/798,308.88 = 336,791.12/x
  3. Step 3: Cross multiply
    578,501.60x = 798,308.88 × 336,791.12
  4. Step 4: Simplify right side
    578,501.60x = 268,863,341,801.15
  5. Step 5: Solve for x
    x = 268,863,341,801.15/578,501.60
  6. Step 6: Final answer
    x = 464,758.16

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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.