Home / 782,839.81-1,080,300.65-460,570.66

Finding the Fourth Proportional to 782,839.81, 1,080,300.65 and 460,570.66

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Solution

The fourth proportional to 782,839.81, 1,080,300.65 and 460,570.66 is: 635,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,839.81 : 1,080,300.65 = 460,570.66 : x
  2. Step 2: Convert to fraction form
    782,839.81/1,080,300.65 = 460,570.66/x
  3. Step 3: Cross multiply
    782,839.81x = 1,080,300.65 × 460,570.66
  4. Step 4: Simplify right side
    782,839.81x = 497,554,778,365.32
  5. Step 5: Solve for x
    x = 497,554,778,365.32/782,839.81
  6. Step 6: Final answer
    x = 635,576.74

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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.