Home / 966,275.20-1,449,412.80-611,689.60

Finding the Fourth Proportional to 966,275.20, 1,449,412.80 and 611,689.60

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Solution

The fourth proportional to 966,275.20, 1,449,412.80 and 611,689.60 is: 917,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,275.20 : 1,449,412.80 = 611,689.60 : x
  2. Step 2: Convert to fraction form
    966,275.20/1,449,412.80 = 611,689.60/x
  3. Step 3: Cross multiply
    966,275.20x = 1,449,412.80 × 611,689.60
  4. Step 4: Simplify right side
    966,275.20x = 886,590,735,866.88
  5. Step 5: Solve for x
    x = 886,590,735,866.88/966,275.20
  6. Step 6: Final answer
    x = 917,534.40

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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.