Home / 877,432.62-1,210,881.83-495,516.81

Finding the Fourth Proportional to 877,432.62, 1,210,881.83 and 495,516.81

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Solution

The fourth proportional to 877,432.62, 1,210,881.83 and 495,516.81 is: 683,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,432.62 : 1,210,881.83 = 495,516.81 : x
  2. Step 2: Convert to fraction form
    877,432.62/1,210,881.83 = 495,516.81/x
  3. Step 3: Cross multiply
    877,432.62x = 1,210,881.83 × 495,516.81
  4. Step 4: Simplify right side
    877,432.62x = 600,012,301,688.56
  5. Step 5: Solve for x
    x = 600,012,301,688.56/877,432.62
  6. Step 6: Final answer
    x = 683,827.21

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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.