Home / 501,711.86-692,364.18-272,269.10

Finding the Fourth Proportional to 501,711.86, 692,364.18 and 272,269.10

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Solution

The fourth proportional to 501,711.86, 692,364.18 and 272,269.10 is: 375,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,711.86 : 692,364.18 = 272,269.10 : x
  2. Step 2: Convert to fraction form
    501,711.86/692,364.18 = 272,269.10/x
  3. Step 3: Cross multiply
    501,711.86x = 692,364.18 × 272,269.10
  4. Step 4: Simplify right side
    501,711.86x = 188,509,370,252.45
  5. Step 5: Solve for x
    x = 188,509,370,252.45/501,711.86
  6. Step 6: Final answer
    x = 375,732.34

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1.5x scale

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.