Home / 877,477.48-1,209,747.92-696,787.54

Finding the Fourth Proportional to 877,477.48, 1,209,747.92 and 696,787.54

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Solution

The fourth proportional to 877,477.48, 1,209,747.92 and 696,787.54 is: 960,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,477.48 : 1,209,747.92 = 696,787.54 : x
  2. Step 2: Convert to fraction form
    877,477.48/1,209,747.92 = 696,787.54/x
  3. Step 3: Cross multiply
    877,477.48x = 1,209,747.92 × 696,787.54
  4. Step 4: Simplify right side
    877,477.48x = 842,937,270,688.61
  5. Step 5: Solve for x
    x = 842,937,270,688.61/877,477.48
  6. Step 6: Final answer
    x = 960,636.93

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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.