Home / 808,610.52-1,210,922.76-508,346.40

Finding the Fourth Proportional to 808,610.52, 1,210,922.76 and 508,346.40

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Solution

The fourth proportional to 808,610.52, 1,210,922.76 and 508,346.40 is: 761,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,610.52 : 1,210,922.76 = 508,346.40 : x
  2. Step 2: Convert to fraction form
    808,610.52/1,210,922.76 = 508,346.40/x
  3. Step 3: Cross multiply
    808,610.52x = 1,210,922.76 × 508,346.40
  4. Step 4: Simplify right side
    808,610.52x = 615,568,225,724.06
  5. Step 5: Solve for x
    x = 615,568,225,724.06/808,610.52
  6. Step 6: Final answer
    x = 761,266.65

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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.