Home / 984,403.60-1,477,296.60-423,840.40

Finding the Fourth Proportional to 984,403.60, 1,477,296.60 and 423,840.40

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Solution

The fourth proportional to 984,403.60, 1,477,296.60 and 423,840.40 is: 636,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,403.60 : 1,477,296.60 = 423,840.40 : x
  2. Step 2: Convert to fraction form
    984,403.60/1,477,296.60 = 423,840.40/x
  3. Step 3: Cross multiply
    984,403.60x = 1,477,296.60 × 423,840.40
  4. Step 4: Simplify right side
    984,403.60x = 626,137,981,862.64
  5. Step 5: Solve for x
    x = 626,137,981,862.64/984,403.60
  6. Step 6: Final answer
    x = 636,058.20

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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.