Home / 674,747.04-931,210.20-372,999.36

Finding the Fourth Proportional to 674,747.04, 931,210.20 and 372,999.36

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Solution

The fourth proportional to 674,747.04, 931,210.20 and 372,999.36 is: 514,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,747.04 : 931,210.20 = 372,999.36 : x
  2. Step 2: Convert to fraction form
    674,747.04/931,210.20 = 372,999.36/x
  3. Step 3: Cross multiply
    674,747.04x = 931,210.20 × 372,999.36
  4. Step 4: Simplify right side
    674,747.04x = 347,340,808,625.47
  5. Step 5: Solve for x
    x = 347,340,808,625.47/674,747.04
  6. Step 6: Final answer
    x = 514,771.89

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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.