Home / 771,687.64-1,064,929.80-432,155.90

Finding the Fourth Proportional to 771,687.64, 1,064,929.80 and 432,155.90

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Solution

The fourth proportional to 771,687.64, 1,064,929.80 and 432,155.90 is: 596,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,687.64 : 1,064,929.80 = 432,155.90 : x
  2. Step 2: Convert to fraction form
    771,687.64/1,064,929.80 = 432,155.90/x
  3. Step 3: Cross multiply
    771,687.64x = 1,064,929.80 × 432,155.90
  4. Step 4: Simplify right side
    771,687.64x = 460,215,696,155.82
  5. Step 5: Solve for x
    x = 460,215,696,155.82/771,687.64
  6. Step 6: Final answer
    x = 596,375.62

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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.