Home / 859,570.31-1,289,613.05-346,971.53

Finding the Fourth Proportional to 859,570.31, 1,289,613.05 and 346,971.53

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Solution

The fourth proportional to 859,570.31, 1,289,613.05 and 346,971.53 is: 520,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,570.31 : 1,289,613.05 = 346,971.53 : x
  2. Step 2: Convert to fraction form
    859,570.31/1,289,613.05 = 346,971.53/x
  3. Step 3: Cross multiply
    859,570.31x = 1,289,613.05 × 346,971.53
  4. Step 4: Simplify right side
    859,570.31x = 447,459,013,066.47
  5. Step 5: Solve for x
    x = 447,459,013,066.47/859,570.31
  6. Step 6: Final answer
    x = 520,561.27

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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.