Home / 835,777.50-1,153,372.95-478,081.50

Finding the Fourth Proportional to 835,777.50, 1,153,372.95 and 478,081.50

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Solution

The fourth proportional to 835,777.50, 1,153,372.95 and 478,081.50 is: 659,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,777.50 : 1,153,372.95 = 478,081.50 : x
  2. Step 2: Convert to fraction form
    835,777.50/1,153,372.95 = 478,081.50/x
  3. Step 3: Cross multiply
    835,777.50x = 1,153,372.95 × 478,081.50
  4. Step 4: Simplify right side
    835,777.50x = 551,406,269,995.43
  5. Step 5: Solve for x
    x = 551,406,269,995.43/835,777.50
  6. Step 6: Final answer
    x = 659,752.47

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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.