Home / 811,649.50-1,120,080.15-453,953.50

Finding the Fourth Proportional to 811,649.50, 1,120,080.15 and 453,953.50

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Solution

The fourth proportional to 811,649.50, 1,120,080.15 and 453,953.50 is: 626,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,649.50 : 1,120,080.15 = 453,953.50 : x
  2. Step 2: Convert to fraction form
    811,649.50/1,120,080.15 = 453,953.50/x
  3. Step 3: Cross multiply
    811,649.50x = 1,120,080.15 × 453,953.50
  4. Step 4: Simplify right side
    811,649.50x = 508,464,304,373.03
  5. Step 5: Solve for x
    x = 508,464,304,373.03/811,649.50
  6. Step 6: Final answer
    x = 626,457.98

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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.