Home / 426,316.40-586,823.35-371,772.33

Finding the Fourth Proportional to 426,316.40, 586,823.35 and 371,772.33

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Solution

The fourth proportional to 426,316.40, 586,823.35 and 371,772.33 is: 511,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,316.40 : 586,823.35 = 371,772.33 : x
  2. Step 2: Convert to fraction form
    426,316.40/586,823.35 = 371,772.33/x
  3. Step 3: Cross multiply
    426,316.40x = 586,823.35 × 371,772.33
  4. Step 4: Simplify right side
    426,316.40x = 218,164,683,198.48
  5. Step 5: Solve for x
    x = 218,164,683,198.48/426,316.40
  6. Step 6: Final answer
    x = 511,743.59

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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.