Home / 983,113.20-1,474,718.40-510,721.20

Finding the Fourth Proportional to 983,113.20, 1,474,718.40 and 510,721.20

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Solution

The fourth proportional to 983,113.20, 1,474,718.40 and 510,721.20 is: 766,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,113.20 : 1,474,718.40 = 510,721.20 : x
  2. Step 2: Convert to fraction form
    983,113.20/1,474,718.40 = 510,721.20/x
  3. Step 3: Cross multiply
    983,113.20x = 1,474,718.40 × 510,721.20
  4. Step 4: Simplify right side
    983,113.20x = 753,169,950,910.08
  5. Step 5: Solve for x
    x = 753,169,950,910.08/983,113.20
  6. Step 6: Final answer
    x = 766,107.05

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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.