Home / 707,537.03-1,061,742.94-286,816.55

Finding the Fourth Proportional to 707,537.03, 1,061,742.94 and 286,816.55

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Solution

The fourth proportional to 707,537.03, 1,061,742.94 and 286,816.55 is: 430,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,537.03 : 1,061,742.94 = 286,816.55 : x
  2. Step 2: Convert to fraction form
    707,537.03/1,061,742.94 = 286,816.55/x
  3. Step 3: Cross multiply
    707,537.03x = 1,061,742.94 × 286,816.55
  4. Step 4: Simplify right side
    707,537.03x = 304,525,441,011.90
  5. Step 5: Solve for x
    x = 304,525,441,011.90/707,537.03
  6. Step 6: Final answer
    x = 430,402.13

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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.