Home / 855,180.10-1,281,895.35-500,011.30

Finding the Fourth Proportional to 855,180.10, 1,281,895.35 and 500,011.30

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Solution

The fourth proportional to 855,180.10, 1,281,895.35 and 500,011.30 is: 749,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,180.10 : 1,281,895.35 = 500,011.30 : x
  2. Step 2: Convert to fraction form
    855,180.10/1,281,895.35 = 500,011.30/x
  3. Step 3: Cross multiply
    855,180.10x = 1,281,895.35 × 500,011.30
  4. Step 4: Simplify right side
    855,180.10x = 640,962,160,417.46
  5. Step 5: Solve for x
    x = 640,962,160,417.46/855,180.10
  6. Step 6: Final answer
    x = 749,505.47

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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.