Home / 987,030.60-1,362,106.58-534,321.60

Finding the Fourth Proportional to 987,030.60, 1,362,106.58 and 534,321.60

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Solution

The fourth proportional to 987,030.60, 1,362,106.58 and 534,321.60 is: 737,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,030.60 : 1,362,106.58 = 534,321.60 : x
  2. Step 2: Convert to fraction form
    987,030.60/1,362,106.58 = 534,321.60/x
  3. Step 3: Cross multiply
    987,030.60x = 1,362,106.58 × 534,321.60
  4. Step 4: Simplify right side
    987,030.60x = 727,802,967,196.13
  5. Step 5: Solve for x
    x = 727,802,967,196.13/987,030.60
  6. Step 6: Final answer
    x = 737,366.16

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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.