Home / 849,603.76-1,172,486.43-467,666.08

Finding the Fourth Proportional to 849,603.76, 1,172,486.43 and 467,666.08

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Solution

The fourth proportional to 849,603.76, 1,172,486.43 and 467,666.08 is: 645,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,603.76 : 1,172,486.43 = 467,666.08 : x
  2. Step 2: Convert to fraction form
    849,603.76/1,172,486.43 = 467,666.08/x
  3. Step 3: Cross multiply
    849,603.76x = 1,172,486.43 × 467,666.08
  4. Step 4: Simplify right side
    849,603.76x = 548,332,137,989.06
  5. Step 5: Solve for x
    x = 548,332,137,989.06/849,603.76
  6. Step 6: Final answer
    x = 645,397.49

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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.