Home / 979,746.90-1,351,957.41-549,928.50

Finding the Fourth Proportional to 979,746.90, 1,351,957.41 and 549,928.50

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Solution

The fourth proportional to 979,746.90, 1,351,957.41 and 549,928.50 is: 758,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,746.90 : 1,351,957.41 = 549,928.50 : x
  2. Step 2: Convert to fraction form
    979,746.90/1,351,957.41 = 549,928.50/x
  3. Step 3: Cross multiply
    979,746.90x = 1,351,957.41 × 549,928.50
  4. Step 4: Simplify right side
    979,746.90x = 743,479,910,545.19
  5. Step 5: Solve for x
    x = 743,479,910,545.19/979,746.90
  6. Step 6: Final answer
    x = 758,848.95

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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.