Home / 855,633.23-1,180,787.78-468,442.11

Finding the Fourth Proportional to 855,633.23, 1,180,787.78 and 468,442.11

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Solution

The fourth proportional to 855,633.23, 1,180,787.78 and 468,442.11 is: 646,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,633.23 : 1,180,787.78 = 468,442.11 : x
  2. Step 2: Convert to fraction form
    855,633.23/1,180,787.78 = 468,442.11/x
  3. Step 3: Cross multiply
    855,633.23x = 1,180,787.78 × 468,442.11
  4. Step 4: Simplify right side
    855,633.23x = 553,130,719,125.42
  5. Step 5: Solve for x
    x = 553,130,719,125.42/855,633.23
  6. Step 6: Final answer
    x = 646,457.73

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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.