Home / 581,721.93-802,506.82-340,014.69

Finding the Fourth Proportional to 581,721.93, 802,506.82 and 340,014.69

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Solution

The fourth proportional to 581,721.93, 802,506.82 and 340,014.69 is: 469,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,721.93 : 802,506.82 = 340,014.69 : x
  2. Step 2: Convert to fraction form
    581,721.93/802,506.82 = 340,014.69/x
  3. Step 3: Cross multiply
    581,721.93x = 802,506.82 × 340,014.69
  4. Step 4: Simplify right side
    581,721.93x = 272,864,107,625.19
  5. Step 5: Solve for x
    x = 272,864,107,625.19/581,721.93
  6. Step 6: Final answer
    x = 469,062.78

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1.5x scale

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.