Home / 678,808.10-1,018,337.10-223,424.90

Finding the Fourth Proportional to 678,808.10, 1,018,337.10 and 223,424.90

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Solution

The fourth proportional to 678,808.10, 1,018,337.10 and 223,424.90 is: 335,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,808.10 : 1,018,337.10 = 223,424.90 : x
  2. Step 2: Convert to fraction form
    678,808.10/1,018,337.10 = 223,424.90/x
  3. Step 3: Cross multiply
    678,808.10x = 1,018,337.10 × 223,424.90
  4. Step 4: Simplify right side
    678,808.10x = 227,521,864,733.79
  5. Step 5: Solve for x
    x = 227,521,864,733.79/678,808.10
  6. Step 6: Final answer
    x = 335,178.48

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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.