Home / 866,430.80-1,299,646.20-729,573.20

Finding the Fourth Proportional to 866,430.80, 1,299,646.20 and 729,573.20

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Solution

The fourth proportional to 866,430.80, 1,299,646.20 and 729,573.20 is: 1,094,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,430.80 : 1,299,646.20 = 729,573.20 : x
  2. Step 2: Convert to fraction form
    866,430.80/1,299,646.20 = 729,573.20/x
  3. Step 3: Cross multiply
    866,430.80x = 1,299,646.20 × 729,573.20
  4. Step 4: Simplify right side
    866,430.80x = 948,187,037,001.84
  5. Step 5: Solve for x
    x = 948,187,037,001.84/866,430.80
  6. Step 6: Final answer
    x = 1,094,359.80

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1.5x scale

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.