Home / 960,461.32-1,440,640.04-487,134.38

Finding the Fourth Proportional to 960,461.32, 1,440,640.04 and 487,134.38

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Solution

The fourth proportional to 960,461.32, 1,440,640.04 and 487,134.38 is: 730,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,461.32 : 1,440,640.04 = 487,134.38 : x
  2. Step 2: Convert to fraction form
    960,461.32/1,440,640.04 = 487,134.38/x
  3. Step 3: Cross multiply
    960,461.32x = 1,440,640.04 × 487,134.38
  4. Step 4: Simplify right side
    960,461.32x = 701,785,292,688.58
  5. Step 5: Solve for x
    x = 701,785,292,688.58/960,461.32
  6. Step 6: Final answer
    x = 730,675.23

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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.