Home / 803,211.77-1,108,436.33-440,669.14

Finding the Fourth Proportional to 803,211.77, 1,108,436.33 and 440,669.14

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Solution

The fourth proportional to 803,211.77, 1,108,436.33 and 440,669.14 is: 608,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,211.77 : 1,108,436.33 = 440,669.14 : x
  2. Step 2: Convert to fraction form
    803,211.77/1,108,436.33 = 440,669.14/x
  3. Step 3: Cross multiply
    803,211.77x = 1,108,436.33 × 440,669.14
  4. Step 4: Simplify right side
    803,211.77x = 488,453,684,285.86
  5. Step 5: Solve for x
    x = 488,453,684,285.86/803,211.77
  6. Step 6: Final answer
    x = 608,125.66

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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.