Home / 678,788.84-1,018,182.81-173,349.92

Finding the Fourth Proportional to 678,788.84, 1,018,182.81 and 173,349.92

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Solution

The fourth proportional to 678,788.84, 1,018,182.81 and 173,349.92 is: 260,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,788.84 : 1,018,182.81 = 173,349.92 : x
  2. Step 2: Convert to fraction form
    678,788.84/1,018,182.81 = 173,349.92/x
  3. Step 3: Cross multiply
    678,788.84x = 1,018,182.81 × 173,349.92
  4. Step 4: Simplify right side
    678,788.84x = 176,501,908,658.88
  5. Step 5: Solve for x
    x = 176,501,908,658.88/678,788.84
  6. Step 6: Final answer
    x = 260,024.77

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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.