Home / 987,071.58-1,362,159.28-534,362.58

Finding the Fourth Proportional to 987,071.58, 1,362,159.28 and 534,362.58

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Solution

The fourth proportional to 987,071.58, 1,362,159.28 and 534,362.58 is: 737,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,071.58 : 1,362,159.28 = 534,362.58 : x
  2. Step 2: Convert to fraction form
    987,071.58/1,362,159.28 = 534,362.58/x
  3. Step 3: Cross multiply
    987,071.58x = 1,362,159.28 × 534,362.58
  4. Step 4: Simplify right side
    987,071.58x = 727,886,947,231.74
  5. Step 5: Solve for x
    x = 727,886,947,231.74/987,071.58
  6. Step 6: Final answer
    x = 737,420.63

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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.