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Finding the Fourth Proportional to 600,002.40, 900,003.60 and 387,112.80

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Solution

The fourth proportional to 600,002.40, 900,003.60 and 387,112.80 is: 580,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,002.40 : 900,003.60 = 387,112.80 : x
  2. Step 2: Convert to fraction form
    600,002.40/900,003.60 = 387,112.80/x
  3. Step 3: Cross multiply
    600,002.40x = 900,003.60 × 387,112.80
  4. Step 4: Simplify right side
    600,002.40x = 348,402,913,606.08
  5. Step 5: Solve for x
    x = 348,402,913,606.08/600,002.40
  6. Step 6: Final answer
    x = 580,669.20

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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.