Home / 729,970.86-1,007,339.31-407,671.50

Finding the Fourth Proportional to 729,970.86, 1,007,339.31 and 407,671.50

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Solution

The fourth proportional to 729,970.86, 1,007,339.31 and 407,671.50 is: 562,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,970.86 : 1,007,339.31 = 407,671.50 : x
  2. Step 2: Convert to fraction form
    729,970.86/1,007,339.31 = 407,671.50/x
  3. Step 3: Cross multiply
    729,970.86x = 1,007,339.31 × 407,671.50
  4. Step 4: Simplify right side
    729,970.86x = 410,663,527,516.67
  5. Step 5: Solve for x
    x = 410,663,527,516.67/729,970.86
  6. Step 6: Final answer
    x = 562,575.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.