Home / 803,320.74-1,108,573.02-440,747.64

Finding the Fourth Proportional to 803,320.74, 1,108,573.02 and 440,747.64

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Solution

The fourth proportional to 803,320.74, 1,108,573.02 and 440,747.64 is: 608,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,320.74 : 1,108,573.02 = 440,747.64 : x
  2. Step 2: Convert to fraction form
    803,320.74/1,108,573.02 = 440,747.64/x
  3. Step 3: Cross multiply
    803,320.74x = 1,108,573.02 × 440,747.64
  4. Step 4: Simplify right side
    803,320.74x = 488,600,942,332.67
  5. Step 5: Solve for x
    x = 488,600,942,332.67/803,320.74
  6. Step 6: Final answer
    x = 608,226.48

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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.