Home / 748,908.08-1,034,034.40-462,820.40

Finding the Fourth Proportional to 748,908.08, 1,034,034.40 and 462,820.40

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Solution

The fourth proportional to 748,908.08, 1,034,034.40 and 462,820.40 is: 639,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,908.08 : 1,034,034.40 = 462,820.40 : x
  2. Step 2: Convert to fraction form
    748,908.08/1,034,034.40 = 462,820.40/x
  3. Step 3: Cross multiply
    748,908.08x = 1,034,034.40 × 462,820.40
  4. Step 4: Simplify right side
    748,908.08x = 478,572,214,621.76
  5. Step 5: Solve for x
    x = 478,572,214,621.76/748,908.08
  6. Step 6: Final answer
    x = 639,026.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.