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Finding the Fourth Proportional to 875,770.92, 1,208,563.20 and 473,362.92

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Solution

The fourth proportional to 875,770.92, 1,208,563.20 and 473,362.92 is: 653,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,770.92 : 1,208,563.20 = 473,362.92 : x
  2. Step 2: Convert to fraction form
    875,770.92/1,208,563.20 = 473,362.92/x
  3. Step 3: Cross multiply
    875,770.92x = 1,208,563.20 × 473,362.92
  4. Step 4: Simplify right side
    875,770.92x = 572,089,005,356.54
  5. Step 5: Solve for x
    x = 572,089,005,356.54/875,770.92
  6. Step 6: Final answer
    x = 653,240.47

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Double scale
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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.