Home / 913,295.40-1,370,331.90-576,594.60

Finding the Fourth Proportional to 913,295.40, 1,370,331.90 and 576,594.60

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Solution

The fourth proportional to 913,295.40, 1,370,331.90 and 576,594.60 is: 865,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,295.40 : 1,370,331.90 = 576,594.60 : x
  2. Step 2: Convert to fraction form
    913,295.40/1,370,331.90 = 576,594.60/x
  3. Step 3: Cross multiply
    913,295.40x = 1,370,331.90 × 576,594.60
  4. Step 4: Simplify right side
    913,295.40x = 790,125,973,747.74
  5. Step 5: Solve for x
    x = 790,125,973,747.74/913,295.40
  6. Step 6: Final answer
    x = 865,137.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.