Home / 788,002.10-1,181,657.55-314,530.10

Finding the Fourth Proportional to 788,002.10, 1,181,657.55 and 314,530.10

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Solution

The fourth proportional to 788,002.10, 1,181,657.55 and 314,530.10 is: 471,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,002.10 : 1,181,657.55 = 314,530.10 : x
  2. Step 2: Convert to fraction form
    788,002.10/1,181,657.55 = 314,530.10/x
  3. Step 3: Cross multiply
    788,002.10x = 1,181,657.55 × 314,530.10
  4. Step 4: Simplify right side
    788,002.10x = 371,666,867,367.26
  5. Step 5: Solve for x
    x = 371,666,867,367.26/788,002.10
  6. Step 6: Final answer
    x = 471,657.20

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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.