Home / 712,877.20-1,069,315.80-460,934.80

Finding the Fourth Proportional to 712,877.20, 1,069,315.80 and 460,934.80

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Solution

The fourth proportional to 712,877.20, 1,069,315.80 and 460,934.80 is: 691,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,877.20 : 1,069,315.80 = 460,934.80 : x
  2. Step 2: Convert to fraction form
    712,877.20/1,069,315.80 = 460,934.80/x
  3. Step 3: Cross multiply
    712,877.20x = 1,069,315.80 × 460,934.80
  4. Step 4: Simplify right side
    712,877.20x = 492,884,864,409.84
  5. Step 5: Solve for x
    x = 492,884,864,409.84/712,877.20
  6. Step 6: Final answer
    x = 691,402.20

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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.