Home / 782,055.48-1,173,270.48-326,393.35

Finding the Fourth Proportional to 782,055.48, 1,173,270.48 and 326,393.35

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Solution

The fourth proportional to 782,055.48, 1,173,270.48 and 326,393.35 is: 489,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,055.48 : 1,173,270.48 = 326,393.35 : x
  2. Step 2: Convert to fraction form
    782,055.48/1,173,270.48 = 326,393.35/x
  3. Step 3: Cross multiply
    782,055.48x = 1,173,270.48 × 326,393.35
  4. Step 4: Simplify right side
    782,055.48x = 382,947,680,561.09
  5. Step 5: Solve for x
    x = 382,947,680,561.09/782,055.48
  6. Step 6: Final answer
    x = 489,668.18

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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.