Home / 768,511.65-1,152,767.48-369,056.10

Finding the Fourth Proportional to 768,511.65, 1,152,767.48 and 369,056.10

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Solution

The fourth proportional to 768,511.65, 1,152,767.48 and 369,056.10 is: 553,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,511.65 : 1,152,767.48 = 369,056.10 : x
  2. Step 2: Convert to fraction form
    768,511.65/1,152,767.48 = 369,056.10/x
  3. Step 3: Cross multiply
    768,511.65x = 1,152,767.48 × 369,056.10
  4. Step 4: Simplify right side
    768,511.65x = 425,435,868,530.35
  5. Step 5: Solve for x
    x = 425,435,868,530.35/768,511.65
  6. Step 6: Final answer
    x = 553,584.15

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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.