Home / 615,030.05-922,669.61-260,043.50

Finding the Fourth Proportional to 615,030.05, 922,669.61 and 260,043.50

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Solution

The fourth proportional to 615,030.05, 922,669.61 and 260,043.50 is: 390,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,030.05 : 922,669.61 = 260,043.50 : x
  2. Step 2: Convert to fraction form
    615,030.05/922,669.61 = 260,043.50/x
  3. Step 3: Cross multiply
    615,030.05x = 922,669.61 × 260,043.50
  4. Step 4: Simplify right side
    615,030.05x = 239,934,228,814.47
  5. Step 5: Solve for x
    x = 239,934,228,814.47/615,030.05
  6. Step 6: Final answer
    x = 390,117.90

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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.