Home / 813,528.50-1,122,669.65-495,576.50

Finding the Fourth Proportional to 813,528.50, 1,122,669.65 and 495,576.50

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Solution

The fourth proportional to 813,528.50, 1,122,669.65 and 495,576.50 is: 683,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,528.50 : 1,122,669.65 = 495,576.50 : x
  2. Step 2: Convert to fraction form
    813,528.50/1,122,669.65 = 495,576.50/x
  3. Step 3: Cross multiply
    813,528.50x = 1,122,669.65 × 495,576.50
  4. Step 4: Simplify right side
    813,528.50x = 556,368,695,803.23
  5. Step 5: Solve for x
    x = 556,368,695,803.23/813,528.50
  6. Step 6: Final answer
    x = 683,895.76

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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.