Home / 897,418.20-1,346,127.30-578,553.60

Finding the Fourth Proportional to 897,418.20, 1,346,127.30 and 578,553.60

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Solution

The fourth proportional to 897,418.20, 1,346,127.30 and 578,553.60 is: 867,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,418.20 : 1,346,127.30 = 578,553.60 : x
  2. Step 2: Convert to fraction form
    897,418.20/1,346,127.30 = 578,553.60/x
  3. Step 3: Cross multiply
    897,418.20x = 1,346,127.30 × 578,553.60
  4. Step 4: Simplify right side
    897,418.20x = 778,806,795,473.28
  5. Step 5: Solve for x
    x = 778,806,795,473.28/897,418.20
  6. Step 6: Final answer
    x = 867,830.40

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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.