Home / 788,200.50-1,087,721.02-430,504.50

Finding the Fourth Proportional to 788,200.50, 1,087,721.02 and 430,504.50

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Solution

The fourth proportional to 788,200.50, 1,087,721.02 and 430,504.50 is: 594,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,200.50 : 1,087,721.02 = 430,504.50 : x
  2. Step 2: Convert to fraction form
    788,200.50/1,087,721.02 = 430,504.50/x
  3. Step 3: Cross multiply
    788,200.50x = 1,087,721.02 × 430,504.50
  4. Step 4: Simplify right side
    788,200.50x = 468,268,793,854.59
  5. Step 5: Solve for x
    x = 468,268,793,854.59/788,200.50
  6. Step 6: Final answer
    x = 594,098.57

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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.