Home / 768,269.70-1,152,404.55-369,688.95

Finding the Fourth Proportional to 768,269.70, 1,152,404.55 and 369,688.95

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Solution

The fourth proportional to 768,269.70, 1,152,404.55 and 369,688.95 is: 554,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,269.70 : 1,152,404.55 = 369,688.95 : x
  2. Step 2: Convert to fraction form
    768,269.70/1,152,404.55 = 369,688.95/x
  3. Step 3: Cross multiply
    768,269.70x = 1,152,404.55 × 369,688.95
  4. Step 4: Simplify right side
    768,269.70x = 426,031,228,064.72
  5. Step 5: Solve for x
    x = 426,031,228,064.72/768,269.70
  6. Step 6: Final answer
    x = 554,533.43

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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.