Home / 495,038.16-683,153.28-268,683.72

Finding the Fourth Proportional to 495,038.16, 683,153.28 and 268,683.72

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Solution

The fourth proportional to 495,038.16, 683,153.28 and 268,683.72 is: 370,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,038.16 : 683,153.28 = 268,683.72 : x
  2. Step 2: Convert to fraction form
    495,038.16/683,153.28 = 268,683.72/x
  3. Step 3: Cross multiply
    495,038.16x = 683,153.28 × 268,683.72
  4. Step 4: Simplify right side
    495,038.16x = 183,552,164,600.60
  5. Step 5: Solve for x
    x = 183,552,164,600.60/495,038.16
  6. Step 6: Final answer
    x = 370,783.87

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1.5x scale

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.