Home / 729,880.08-1,007,014.38-423,897.48

Finding the Fourth Proportional to 729,880.08, 1,007,014.38 and 423,897.48

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Solution

The fourth proportional to 729,880.08, 1,007,014.38 and 423,897.48 is: 584,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,880.08 : 1,007,014.38 = 423,897.48 : x
  2. Step 2: Convert to fraction form
    729,880.08/1,007,014.38 = 423,897.48/x
  3. Step 3: Cross multiply
    729,880.08x = 1,007,014.38 × 423,897.48
  4. Step 4: Simplify right side
    729,880.08x = 426,870,858,005.76
  5. Step 5: Solve for x
    x = 426,870,858,005.76/729,880.08
  6. Step 6: Final answer
    x = 584,850.68

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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.