Home / 687,557.50-1,031,750.98-293,573.50

Finding the Fourth Proportional to 687,557.50, 1,031,750.98 and 293,573.50

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Solution

The fourth proportional to 687,557.50, 1,031,750.98 and 293,573.50 is: 440,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,557.50 : 1,031,750.98 = 293,573.50 : x
  2. Step 2: Convert to fraction form
    687,557.50/1,031,750.98 = 293,573.50/x
  3. Step 3: Cross multiply
    687,557.50x = 1,031,750.98 × 293,573.50
  4. Step 4: Simplify right side
    687,557.50x = 302,894,746,327.03
  5. Step 5: Solve for x
    x = 302,894,746,327.03/687,557.50
  6. Step 6: Final answer
    x = 440,537.33

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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.