Home / 819,284.84-1,130,613.29-456,700.90

Finding the Fourth Proportional to 819,284.84, 1,130,613.29 and 456,700.90

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Solution

The fourth proportional to 819,284.84, 1,130,613.29 and 456,700.90 is: 630,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,284.84 : 1,130,613.29 = 456,700.90 : x
  2. Step 2: Convert to fraction form
    819,284.84/1,130,613.29 = 456,700.90/x
  3. Step 3: Cross multiply
    819,284.84x = 1,130,613.29 × 456,700.90
  4. Step 4: Simplify right side
    819,284.84x = 516,352,105,817.45
  5. Step 5: Solve for x
    x = 516,352,105,817.45/819,284.84
  6. Step 6: Final answer
    x = 630,247.35

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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.