Home / 926,455.60-1,389,683.40-328,092.40

Finding the Fourth Proportional to 926,455.60, 1,389,683.40 and 328,092.40

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Solution

The fourth proportional to 926,455.60, 1,389,683.40 and 328,092.40 is: 492,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,455.60 : 1,389,683.40 = 328,092.40 : x
  2. Step 2: Convert to fraction form
    926,455.60/1,389,683.40 = 328,092.40/x
  3. Step 3: Cross multiply
    926,455.60x = 1,389,683.40 × 328,092.40
  4. Step 4: Simplify right side
    926,455.60x = 455,944,561,946.16
  5. Step 5: Solve for x
    x = 455,944,561,946.16/926,455.60
  6. Step 6: Final answer
    x = 492,138.60

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Similar ratio
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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.