Home / 926,917.60-1,390,598.40-386,873.60

Finding the Fourth Proportional to 926,917.60, 1,390,598.40 and 386,873.60

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Solution

The fourth proportional to 926,917.60, 1,390,598.40 and 386,873.60 is: 580,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,917.60 : 1,390,598.40 = 386,873.60 : x
  2. Step 2: Convert to fraction form
    926,917.60/1,390,598.40 = 386,873.60/x
  3. Step 3: Cross multiply
    926,917.60x = 1,390,598.40 × 386,873.60
  4. Step 4: Simplify right side
    926,917.60x = 537,985,809,162.24
  5. Step 5: Solve for x
    x = 537,985,809,162.24/926,917.60
  6. Step 6: Final answer
    x = 580,403.06

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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.