Home / 979,510.28-1,351,650.08-549,707.37

Finding the Fourth Proportional to 979,510.28, 1,351,650.08 and 549,707.37

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Solution

The fourth proportional to 979,510.28, 1,351,650.08 and 549,707.37 is: 758,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,510.28 : 1,351,650.08 = 549,707.37 : x
  2. Step 2: Convert to fraction form
    979,510.28/1,351,650.08 = 549,707.37/x
  3. Step 3: Cross multiply
    979,510.28x = 1,351,650.08 × 549,707.37
  4. Step 4: Simplify right side
    979,510.28x = 743,012,007,888.55
  5. Step 5: Solve for x
    x = 743,012,007,888.55/979,510.28
  6. Step 6: Final answer
    x = 758,554.58

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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.