Home / 810,557.74-1,118,708.58-471,222.82

Finding the Fourth Proportional to 810,557.74, 1,118,708.58 and 471,222.82

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Solution

The fourth proportional to 810,557.74, 1,118,708.58 and 471,222.82 is: 650,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,557.74 : 1,118,708.58 = 471,222.82 : x
  2. Step 2: Convert to fraction form
    810,557.74/1,118,708.58 = 471,222.82/x
  3. Step 3: Cross multiply
    810,557.74x = 1,118,708.58 × 471,222.82
  4. Step 4: Simplify right side
    810,557.74x = 527,161,011,825.80
  5. Step 5: Solve for x
    x = 527,161,011,825.80/810,557.74
  6. Step 6: Final answer
    x = 650,368.24

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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.