Home / 872,036.82-1,203,403.23-490,062.69

Finding the Fourth Proportional to 872,036.82, 1,203,403.23 and 490,062.69

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Solution

The fourth proportional to 872,036.82, 1,203,403.23 and 490,062.69 is: 676,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,036.82 : 1,203,403.23 = 490,062.69 : x
  2. Step 2: Convert to fraction form
    872,036.82/1,203,403.23 = 490,062.69/x
  3. Step 3: Cross multiply
    872,036.82x = 1,203,403.23 × 490,062.69
  4. Step 4: Simplify right side
    872,036.82x = 589,743,024,048.49
  5. Step 5: Solve for x
    x = 589,743,024,048.49/872,036.82
  6. Step 6: Final answer
    x = 676,282.25

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Double scale
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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.