Home / 804,806.10-1,208,233.50-521,681.43

Finding the Fourth Proportional to 804,806.10, 1,208,233.50 and 521,681.43

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Solution

The fourth proportional to 804,806.10, 1,208,233.50 and 521,681.43 is: 783,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,806.10 : 1,208,233.50 = 521,681.43 : x
  2. Step 2: Convert to fraction form
    804,806.10/1,208,233.50 = 521,681.43/x
  3. Step 3: Cross multiply
    804,806.10x = 1,208,233.50 × 521,681.43
  4. Step 4: Simplify right side
    804,806.10x = 630,312,980,053.91
  5. Step 5: Solve for x
    x = 630,312,980,053.91/804,806.10
  6. Step 6: Final answer
    x = 783,186.14

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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.