Home / 747,628.39-1,121,048.52-326,412.19

Finding the Fourth Proportional to 747,628.39, 1,121,048.52 and 326,412.19

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Solution

The fourth proportional to 747,628.39, 1,121,048.52 and 326,412.19 is: 489,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,628.39 : 1,121,048.52 = 326,412.19 : x
  2. Step 2: Convert to fraction form
    747,628.39/1,121,048.52 = 326,412.19/x
  3. Step 3: Cross multiply
    747,628.39x = 1,121,048.52 × 326,412.19
  4. Step 4: Simplify right side
    747,628.39x = 365,923,902,509.46
  5. Step 5: Solve for x
    x = 365,923,902,509.46/747,628.39
  6. Step 6: Final answer
    x = 489,446.24

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1.5x scale

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.