Home / 730,492.32-1,096,055.28-257,515.68

Finding the Fourth Proportional to 730,492.32, 1,096,055.28 and 257,515.68

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Solution

The fourth proportional to 730,492.32, 1,096,055.28 and 257,515.68 is: 386,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,492.32 : 1,096,055.28 = 257,515.68 : x
  2. Step 2: Convert to fraction form
    730,492.32/1,096,055.28 = 257,515.68/x
  3. Step 3: Cross multiply
    730,492.32x = 1,096,055.28 × 257,515.68
  4. Step 4: Simplify right side
    730,492.32x = 282,251,420,746.79
  5. Step 5: Solve for x
    x = 282,251,420,746.79/730,492.32
  6. Step 6: Final answer
    x = 386,385.20

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Double scale
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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.