Home / 740,886.48-1,111,200.14-208,280.92

Finding the Fourth Proportional to 740,886.48, 1,111,200.14 and 208,280.92

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Solution

The fourth proportional to 740,886.48, 1,111,200.14 and 208,280.92 is: 312,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,886.48 : 1,111,200.14 = 208,280.92 : x
  2. Step 2: Convert to fraction form
    740,886.48/1,111,200.14 = 208,280.92/x
  3. Step 3: Cross multiply
    740,886.48x = 1,111,200.14 × 208,280.92
  4. Step 4: Simplify right side
    740,886.48x = 231,441,787,463.33
  5. Step 5: Solve for x
    x = 231,441,787,463.33/740,886.48
  6. Step 6: Final answer
    x = 312,384.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.