Home / 847,807.30-1,273,784.55-637,855.30

Finding the Fourth Proportional to 847,807.30, 1,273,784.55 and 637,855.30

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Solution

The fourth proportional to 847,807.30, 1,273,784.55 and 637,855.30 is: 958,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,807.30 : 1,273,784.55 = 637,855.30 : x
  2. Step 2: Convert to fraction form
    847,807.30/1,273,784.55 = 637,855.30/x
  3. Step 3: Cross multiply
    847,807.30x = 1,273,784.55 × 637,855.30
  4. Step 4: Simplify right side
    847,807.30x = 812,490,226,275.62
  5. Step 5: Solve for x
    x = 812,490,226,275.62/847,807.30
  6. Step 6: Final answer
    x = 958,343.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.