Home / 774,654.59-1,069,029.25-430,522.80

Finding the Fourth Proportional to 774,654.59, 1,069,029.25 and 430,522.80

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Solution

The fourth proportional to 774,654.59, 1,069,029.25 and 430,522.80 is: 594,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,654.59 : 1,069,029.25 = 430,522.80 : x
  2. Step 2: Convert to fraction form
    774,654.59/1,069,029.25 = 430,522.80/x
  3. Step 3: Cross multiply
    774,654.59x = 1,069,029.25 × 430,522.80
  4. Step 4: Simplify right side
    774,654.59x = 460,241,465,991.90
  5. Step 5: Solve for x
    x = 460,241,465,991.90/774,654.59
  6. Step 6: Final answer
    x = 594,124.75

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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.