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Finding the Fourth Proportional to 525,456.80, 788,300.40 and 170,410.40

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Solution

The fourth proportional to 525,456.80, 788,300.40 and 170,410.40 is: 255,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,456.80 : 788,300.40 = 170,410.40 : x
  2. Step 2: Convert to fraction form
    525,456.80/788,300.40 = 170,410.40/x
  3. Step 3: Cross multiply
    525,456.80x = 788,300.40 × 170,410.40
  4. Step 4: Simplify right side
    525,456.80x = 134,334,586,484.16
  5. Step 5: Solve for x
    x = 134,334,586,484.16/525,456.80
  6. Step 6: Final answer
    x = 255,652.96

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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.