Home / 809,848.50-1,117,591.02-470,338.62

Finding the Fourth Proportional to 809,848.50, 1,117,591.02 and 470,338.62

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Solution

The fourth proportional to 809,848.50, 1,117,591.02 and 470,338.62 is: 649,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,848.50 : 1,117,591.02 = 470,338.62 : x
  2. Step 2: Convert to fraction form
    809,848.50/1,117,591.02 = 470,338.62/x
  3. Step 3: Cross multiply
    809,848.50x = 1,117,591.02 × 470,338.62
  4. Step 4: Simplify right side
    809,848.50x = 525,646,218,071.19
  5. Step 5: Solve for x
    x = 525,646,218,071.19/809,848.50
  6. Step 6: Final answer
    x = 649,067.35

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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.