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Finding the Fourth Proportional to 600,022.60, 897,701.10 and 390,070.60

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Solution

The fourth proportional to 600,022.60, 897,701.10 and 390,070.60 is: 583,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,022.60 : 897,701.10 = 390,070.60 : x
  2. Step 2: Convert to fraction form
    600,022.60/897,701.10 = 390,070.60/x
  3. Step 3: Cross multiply
    600,022.60x = 897,701.10 × 390,070.60
  4. Step 4: Simplify right side
    600,022.60x = 350,166,806,697.66
  5. Step 5: Solve for x
    x = 350,166,806,697.66/600,022.60
  6. Step 6: Final answer
    x = 583,589.36

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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.