Home / 748,254.54-1,122,547.66-215,734.02

Finding the Fourth Proportional to 748,254.54, 1,122,547.66 and 215,734.02

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Solution

The fourth proportional to 748,254.54, 1,122,547.66 and 215,734.02 is: 323,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,254.54 : 1,122,547.66 = 215,734.02 : x
  2. Step 2: Convert to fraction form
    748,254.54/1,122,547.66 = 215,734.02/x
  3. Step 3: Cross multiply
    748,254.54x = 1,122,547.66 × 215,734.02
  4. Step 4: Simplify right side
    748,254.54x = 242,171,715,798.01
  5. Step 5: Solve for x
    x = 242,171,715,798.01/748,254.54
  6. Step 6: Final answer
    x = 323,648.84

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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.