Home / 849,844.74-1,172,870.45-634,611.13

Finding the Fourth Proportional to 849,844.74, 1,172,870.45 and 634,611.13

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Solution

The fourth proportional to 849,844.74, 1,172,870.45 and 634,611.13 is: 875,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,844.74 : 1,172,870.45 = 634,611.13 : x
  2. Step 2: Convert to fraction form
    849,844.74/1,172,870.45 = 634,611.13/x
  3. Step 3: Cross multiply
    849,844.74x = 1,172,870.45 × 634,611.13
  4. Step 4: Simplify right side
    849,844.74x = 744,316,641,618.11
  5. Step 5: Solve for x
    x = 744,316,641,618.11/849,844.74
  6. Step 6: Final answer
    x = 875,826.61

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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.