Home / 935,108.20-1,402,662.30-578,967.40

Finding the Fourth Proportional to 935,108.20, 1,402,662.30 and 578,967.40

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Solution

The fourth proportional to 935,108.20, 1,402,662.30 and 578,967.40 is: 868,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,108.20 : 1,402,662.30 = 578,967.40 : x
  2. Step 2: Convert to fraction form
    935,108.20/1,402,662.30 = 578,967.40/x
  3. Step 3: Cross multiply
    935,108.20x = 1,402,662.30 × 578,967.40
  4. Step 4: Simplify right side
    935,108.20x = 812,095,744,909.02
  5. Step 5: Solve for x
    x = 812,095,744,909.02/935,108.20
  6. Step 6: Final answer
    x = 868,451.10

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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.