Home / 826,508.50-1,140,490.47-463,849.18

Finding the Fourth Proportional to 826,508.50, 1,140,490.47 and 463,849.18

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Solution

The fourth proportional to 826,508.50, 1,140,490.47 and 463,849.18 is: 640,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,508.50 : 1,140,490.47 = 463,849.18 : x
  2. Step 2: Convert to fraction form
    826,508.50/1,140,490.47 = 463,849.18/x
  3. Step 3: Cross multiply
    826,508.50x = 1,140,490.47 × 463,849.18
  4. Step 4: Simplify right side
    826,508.50x = 529,015,569,307.32
  5. Step 5: Solve for x
    x = 529,015,569,307.32/826,508.50
  6. Step 6: Final answer
    x = 640,060.65

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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.