Home / 903,852.86-1,247,316.46-495,957.38

Finding the Fourth Proportional to 903,852.86, 1,247,316.46 and 495,957.38

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Solution

The fourth proportional to 903,852.86, 1,247,316.46 and 495,957.38 is: 684,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,852.86 : 1,247,316.46 = 495,957.38 : x
  2. Step 2: Convert to fraction form
    903,852.86/1,247,316.46 = 495,957.38/x
  3. Step 3: Cross multiply
    903,852.86x = 1,247,316.46 × 495,957.38
  4. Step 4: Simplify right side
    903,852.86x = 618,615,803,532.48
  5. Step 5: Solve for x
    x = 618,615,803,532.48/903,852.86
  6. Step 6: Final answer
    x = 684,420.92

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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.