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Finding the Fourth Proportional to 535,737, 806,813.61 and 487,907.40

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Solution

The fourth proportional to 535,737, 806,813.61 and 487,907.40 is: 734,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,737 : 806,813.61 = 487,907.40 : x
  2. Step 2: Convert to fraction form
    535,737/806,813.61 = 487,907.40/x
  3. Step 3: Cross multiply
    535,737x = 806,813.61 × 487,907.40
  4. Step 4: Simplify right side
    535,737x = 393,650,330,739.71
  5. Step 5: Solve for x
    x = 393,650,330,739.71/535,737
  6. Step 6: Final answer
    x = 734,782.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.