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Finding the Fourth Proportional to 600,007.20, 900,010.80 and 376,058.40

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Solution

The fourth proportional to 600,007.20, 900,010.80 and 376,058.40 is: 564,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,007.20 : 900,010.80 = 376,058.40 : x
  2. Step 2: Convert to fraction form
    600,007.20/900,010.80 = 376,058.40/x
  3. Step 3: Cross multiply
    600,007.20x = 900,010.80 × 376,058.40
  4. Step 4: Simplify right side
    600,007.20x = 338,456,621,430.72
  5. Step 5: Solve for x
    x = 338,456,621,430.72/600,007.20
  6. Step 6: Final answer
    x = 564,087.60

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Similar ratio
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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.