Home / 712,877.70-1,069,316.55-460,935.30

Finding the Fourth Proportional to 712,877.70, 1,069,316.55 and 460,935.30

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Solution

The fourth proportional to 712,877.70, 1,069,316.55 and 460,935.30 is: 691,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,877.70 : 1,069,316.55 = 460,935.30 : x
  2. Step 2: Convert to fraction form
    712,877.70/1,069,316.55 = 460,935.30/x
  3. Step 3: Cross multiply
    712,877.70x = 1,069,316.55 × 460,935.30
  4. Step 4: Simplify right side
    712,877.70x = 492,885,744,769.22
  5. Step 5: Solve for x
    x = 492,885,744,769.22/712,877.70
  6. Step 6: Final answer
    x = 691,402.95

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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.