Home / 809,482.72-1,214,012.40-240,710.74

Finding the Fourth Proportional to 809,482.72, 1,214,012.40 and 240,710.74

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Solution

The fourth proportional to 809,482.72, 1,214,012.40 and 240,710.74 is: 361,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,482.72 : 1,214,012.40 = 240,710.74 : x
  2. Step 2: Convert to fraction form
    809,482.72/1,214,012.40 = 240,710.74/x
  3. Step 3: Cross multiply
    809,482.72x = 1,214,012.40 × 240,710.74
  4. Step 4: Simplify right side
    809,482.72x = 292,225,823,173.18
  5. Step 5: Solve for x
    x = 292,225,823,173.18/809,482.72
  6. Step 6: Final answer
    x = 361,003.16

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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.