Home / 835,780.50-1,153,377.09-478,084.50

Finding the Fourth Proportional to 835,780.50, 1,153,377.09 and 478,084.50

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Solution

The fourth proportional to 835,780.50, 1,153,377.09 and 478,084.50 is: 659,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,780.50 : 1,153,377.09 = 478,084.50 : x
  2. Step 2: Convert to fraction form
    835,780.50/1,153,377.09 = 478,084.50/x
  3. Step 3: Cross multiply
    835,780.50x = 1,153,377.09 × 478,084.50
  4. Step 4: Simplify right side
    835,780.50x = 551,411,709,384.11
  5. Step 5: Solve for x
    x = 551,411,709,384.11/835,780.50
  6. Step 6: Final answer
    x = 659,756.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.