Home / 748,916.13-1,033,502.85-409,384.38

Finding the Fourth Proportional to 748,916.13, 1,033,502.85 and 409,384.38

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Solution

The fourth proportional to 748,916.13, 1,033,502.85 and 409,384.38 is: 564,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,916.13 : 1,033,502.85 = 409,384.38 : x
  2. Step 2: Convert to fraction form
    748,916.13/1,033,502.85 = 409,384.38/x
  3. Step 3: Cross multiply
    748,916.13x = 1,033,502.85 × 409,384.38
  4. Step 4: Simplify right side
    748,916.13x = 423,099,923,475.48
  5. Step 5: Solve for x
    x = 423,099,923,475.48/748,916.13
  6. Step 6: Final answer
    x = 564,949.67

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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.