Home / 828,290.25-1,143,050.28-501,597.42

Finding the Fourth Proportional to 828,290.25, 1,143,050.28 and 501,597.42

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Solution

The fourth proportional to 828,290.25, 1,143,050.28 and 501,597.42 is: 692,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,290.25 : 1,143,050.28 = 501,597.42 : x
  2. Step 2: Convert to fraction form
    828,290.25/1,143,050.28 = 501,597.42/x
  3. Step 3: Cross multiply
    828,290.25x = 1,143,050.28 × 501,597.42
  4. Step 4: Simplify right side
    828,290.25x = 573,351,071,378.28
  5. Step 5: Solve for x
    x = 573,351,071,378.28/828,290.25
  6. Step 6: Final answer
    x = 692,210.33

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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.