Home / 545,894.47-819,095.33-208,823.70

Finding the Fourth Proportional to 545,894.47, 819,095.33 and 208,823.70

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Solution

The fourth proportional to 545,894.47, 819,095.33 and 208,823.70 is: 313,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,894.47 : 819,095.33 = 208,823.70 : x
  2. Step 2: Convert to fraction form
    545,894.47/819,095.33 = 208,823.70/x
  3. Step 3: Cross multiply
    545,894.47x = 819,095.33 × 208,823.70
  4. Step 4: Simplify right side
    545,894.47x = 171,046,517,463.32
  5. Step 5: Solve for x
    x = 171,046,517,463.32/545,894.47
  6. Step 6: Final answer
    x = 313,332.57

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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.