Home / 960,070.40-1,439,414.40-539,475.20

Finding the Fourth Proportional to 960,070.40, 1,439,414.40 and 539,475.20

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Solution

The fourth proportional to 960,070.40, 1,439,414.40 and 539,475.20 is: 808,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,070.40 : 1,439,414.40 = 539,475.20 : x
  2. Step 2: Convert to fraction form
    960,070.40/1,439,414.40 = 539,475.20/x
  3. Step 3: Cross multiply
    960,070.40x = 1,439,414.40 × 539,475.20
  4. Step 4: Simplify right side
    960,070.40x = 776,528,371,322.88
  5. Step 5: Solve for x
    x = 776,528,371,322.88/960,070.40
  6. Step 6: Final answer
    x = 808,824.41

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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.