Home / 709,529.40-1,064,423.70-288,847.80

Finding the Fourth Proportional to 709,529.40, 1,064,423.70 and 288,847.80

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Solution

The fourth proportional to 709,529.40, 1,064,423.70 and 288,847.80 is: 433,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,529.40 : 1,064,423.70 = 288,847.80 : x
  2. Step 2: Convert to fraction form
    709,529.40/1,064,423.70 = 288,847.80/x
  3. Step 3: Cross multiply
    709,529.40x = 1,064,423.70 × 288,847.80
  4. Step 4: Simplify right side
    709,529.40x = 307,456,444,012.86
  5. Step 5: Solve for x
    x = 307,456,444,012.86/709,529.40
  6. Step 6: Final answer
    x = 433,324.46

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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.