Home / 479,916.92-662,258.08-275,935.43

Finding the Fourth Proportional to 479,916.92, 662,258.08 and 275,935.43

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Solution

The fourth proportional to 479,916.92, 662,258.08 and 275,935.43 is: 380,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,916.92 : 662,258.08 = 275,935.43 : x
  2. Step 2: Convert to fraction form
    479,916.92/662,258.08 = 275,935.43/x
  3. Step 3: Cross multiply
    479,916.92x = 662,258.08 × 275,935.43
  4. Step 4: Simplify right side
    479,916.92x = 182,740,468,075.77
  5. Step 5: Solve for x
    x = 182,740,468,075.77/479,916.92
  6. Step 6: Final answer
    x = 380,775.21

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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.