Home / 816,232.80-1,223,474.40-310,598.40

Finding the Fourth Proportional to 816,232.80, 1,223,474.40 and 310,598.40

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Solution

The fourth proportional to 816,232.80, 1,223,474.40 and 310,598.40 is: 465,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,232.80 : 1,223,474.40 = 310,598.40 : x
  2. Step 2: Convert to fraction form
    816,232.80/1,223,474.40 = 310,598.40/x
  3. Step 3: Cross multiply
    816,232.80x = 1,223,474.40 × 310,598.40
  4. Step 4: Simplify right side
    816,232.80x = 380,009,191,080.96
  5. Step 5: Solve for x
    x = 380,009,191,080.96/816,232.80
  6. Step 6: Final answer
    x = 465,564.72

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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.