Home / 678,699.49-1,018,048.28-173,260.47

Finding the Fourth Proportional to 678,699.49, 1,018,048.28 and 173,260.47

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Solution

The fourth proportional to 678,699.49, 1,018,048.28 and 173,260.47 is: 259,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,699.49 : 1,018,048.28 = 173,260.47 : x
  2. Step 2: Convert to fraction form
    678,699.49/1,018,048.28 = 173,260.47/x
  3. Step 3: Cross multiply
    678,699.49x = 1,018,048.28 × 173,260.47
  4. Step 4: Simplify right side
    678,699.49x = 176,387,523,475.49
  5. Step 5: Solve for x
    x = 176,387,523,475.49/678,699.49
  6. Step 6: Final answer
    x = 259,890.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.