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Finding the Fourth Proportional to 601,032.12, 900,116.98 and 347,778.88

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Solution

The fourth proportional to 601,032.12, 900,116.98 and 347,778.88 is: 520,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,032.12 : 900,116.98 = 347,778.88 : x
  2. Step 2: Convert to fraction form
    601,032.12/900,116.98 = 347,778.88/x
  3. Step 3: Cross multiply
    601,032.12x = 900,116.98 × 347,778.88
  4. Step 4: Simplify right side
    601,032.12x = 313,041,675,173.38
  5. Step 5: Solve for x
    x = 313,041,675,173.38/601,032.12
  6. Step 6: Final answer
    x = 520,840.18

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1.5x scale

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.