Home / 928,345.24-1,390,154.55-611,842.60

Finding the Fourth Proportional to 928,345.24, 1,390,154.55 and 611,842.60

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Solution

The fourth proportional to 928,345.24, 1,390,154.55 and 611,842.60 is: 916,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,345.24 : 1,390,154.55 = 611,842.60 : x
  2. Step 2: Convert to fraction form
    928,345.24/1,390,154.55 = 611,842.60/x
  3. Step 3: Cross multiply
    928,345.24x = 1,390,154.55 × 611,842.60
  4. Step 4: Simplify right side
    928,345.24x = 850,555,774,273.83
  5. Step 5: Solve for x
    x = 850,555,774,273.83/928,345.24
  6. Step 6: Final answer
    x = 916,206.32

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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.