Home / 849,403.73-1,172,177.34-467,430.51

Finding the Fourth Proportional to 849,403.73, 1,172,177.34 and 467,430.51

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Solution

The fourth proportional to 849,403.73, 1,172,177.34 and 467,430.51 is: 645,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,403.73 : 1,172,177.34 = 467,430.51 : x
  2. Step 2: Convert to fraction form
    849,403.73/1,172,177.34 = 467,430.51/x
  3. Step 3: Cross multiply
    849,403.73x = 1,172,177.34 × 467,430.51
  4. Step 4: Simplify right side
    849,403.73x = 547,911,450,093.78
  5. Step 5: Solve for x
    x = 547,911,450,093.78/849,403.73
  6. Step 6: Final answer
    x = 645,054.21

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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.