Home / 949,005.80-1,309,657.40-519,304.04

Finding the Fourth Proportional to 949,005.80, 1,309,657.40 and 519,304.04

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Solution

The fourth proportional to 949,005.80, 1,309,657.40 and 519,304.04 is: 716,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,005.80 : 1,309,657.40 = 519,304.04 : x
  2. Step 2: Convert to fraction form
    949,005.80/1,309,657.40 = 519,304.04/x
  3. Step 3: Cross multiply
    949,005.80x = 1,309,657.40 × 519,304.04
  4. Step 4: Simplify right side
    949,005.80x = 680,110,378,835.90
  5. Step 5: Solve for x
    x = 680,110,378,835.90/949,005.80
  6. Step 6: Final answer
    x = 716,655.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.