Home / 674,721.54-931,175.01-372,973.86

Finding the Fourth Proportional to 674,721.54, 931,175.01 and 372,973.86

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Solution

The fourth proportional to 674,721.54, 931,175.01 and 372,973.86 is: 514,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,721.54 : 931,175.01 = 372,973.86 : x
  2. Step 2: Convert to fraction form
    674,721.54/931,175.01 = 372,973.86/x
  3. Step 3: Cross multiply
    674,721.54x = 931,175.01 × 372,973.86
  4. Step 4: Simplify right side
    674,721.54x = 347,303,937,815.24
  5. Step 5: Solve for x
    x = 347,303,937,815.24/674,721.54
  6. Step 6: Final answer
    x = 514,736.70

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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.