Home / 803,472.39-1,108,860.76-440,966.32

Finding the Fourth Proportional to 803,472.39, 1,108,860.76 and 440,966.32

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Solution

The fourth proportional to 803,472.39, 1,108,860.76 and 440,966.32 is: 608,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,472.39 : 1,108,860.76 = 440,966.32 : x
  2. Step 2: Convert to fraction form
    803,472.39/1,108,860.76 = 440,966.32/x
  3. Step 3: Cross multiply
    803,472.39x = 1,108,860.76 × 440,966.32
  4. Step 4: Simplify right side
    803,472.39x = 488,970,250,666.89
  5. Step 5: Solve for x
    x = 488,970,250,666.89/803,472.39
  6. Step 6: Final answer
    x = 608,571.32

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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.