Home / 963,440.45-1,329,378.83-549,788.36

Finding the Fourth Proportional to 963,440.45, 1,329,378.83 and 549,788.36

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Solution

The fourth proportional to 963,440.45, 1,329,378.83 and 549,788.36 is: 758,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,440.45 : 1,329,378.83 = 549,788.36 : x
  2. Step 2: Convert to fraction form
    963,440.45/1,329,378.83 = 549,788.36/x
  3. Step 3: Cross multiply
    963,440.45x = 1,329,378.83 × 549,788.36
  4. Step 4: Simplify right side
    963,440.45x = 730,877,011,462.34
  5. Step 5: Solve for x
    x = 730,877,011,462.34/963,440.45
  6. Step 6: Final answer
    x = 758,611.51

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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.