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Finding the Fourth Proportional to 525,450.80, 788,176.20 and 314,980.40

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Solution

The fourth proportional to 525,450.80, 788,176.20 and 314,980.40 is: 472,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,450.80 : 788,176.20 = 314,980.40 : x
  2. Step 2: Convert to fraction form
    525,450.80/788,176.20 = 314,980.40/x
  3. Step 3: Cross multiply
    525,450.80x = 788,176.20 × 314,980.40
  4. Step 4: Simplify right side
    525,450.80x = 248,260,054,746.48
  5. Step 5: Solve for x
    x = 248,260,054,746.48/525,450.80
  6. Step 6: Final answer
    x = 472,470.60

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Similar ratio
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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.