Home / 984,712.80-1,476,032.40-385,442.40

Finding the Fourth Proportional to 984,712.80, 1,476,032.40 and 385,442.40

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Solution

The fourth proportional to 984,712.80, 1,476,032.40 and 385,442.40 is: 577,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,712.80 : 1,476,032.40 = 385,442.40 : x
  2. Step 2: Convert to fraction form
    984,712.80/1,476,032.40 = 385,442.40/x
  3. Step 3: Cross multiply
    984,712.80x = 1,476,032.40 × 385,442.40
  4. Step 4: Simplify right side
    984,712.80x = 568,925,470,733.76
  5. Step 5: Solve for x
    x = 568,925,470,733.76/984,712.80
  6. Step 6: Final answer
    x = 577,757.77

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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.