Home / 849,639.58-1,172,502.95-467,663.63

Finding the Fourth Proportional to 849,639.58, 1,172,502.95 and 467,663.63

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Solution

The fourth proportional to 849,639.58, 1,172,502.95 and 467,663.63 is: 645,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,639.58 : 1,172,502.95 = 467,663.63 : x
  2. Step 2: Convert to fraction form
    849,639.58/1,172,502.95 = 467,663.63/x
  3. Step 3: Cross multiply
    849,639.58x = 1,172,502.95 × 467,663.63
  4. Step 4: Simplify right side
    849,639.58x = 548,336,977,581.88
  5. Step 5: Solve for x
    x = 548,336,977,581.88/849,639.58
  6. Step 6: Final answer
    x = 645,375.98

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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.