Home / 989,474.52-1,365,477.47-536,765.52

Finding the Fourth Proportional to 989,474.52, 1,365,477.47 and 536,765.52

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Solution

The fourth proportional to 989,474.52, 1,365,477.47 and 536,765.52 is: 740,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,474.52 : 1,365,477.47 = 536,765.52 : x
  2. Step 2: Convert to fraction form
    989,474.52/1,365,477.47 = 536,765.52/x
  3. Step 3: Cross multiply
    989,474.52x = 1,365,477.47 × 536,765.52
  4. Step 4: Simplify right side
    989,474.52x = 732,941,221,549.01
  5. Step 5: Solve for x
    x = 732,941,221,549.01/989,474.52
  6. Step 6: Final answer
    x = 740,737.84

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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.