Home / 842,850.90-1,163,038.77-498,697.38

Finding the Fourth Proportional to 842,850.90, 1,163,038.77 and 498,697.38

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Solution

The fourth proportional to 842,850.90, 1,163,038.77 and 498,697.38 is: 688,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,850.90 : 1,163,038.77 = 498,697.38 : x
  2. Step 2: Convert to fraction form
    842,850.90/1,163,038.77 = 498,697.38/x
  3. Step 3: Cross multiply
    842,850.90x = 1,163,038.77 × 498,697.38
  4. Step 4: Simplify right side
    842,850.90x = 580,004,387,437.42
  5. Step 5: Solve for x
    x = 580,004,387,437.42/842,850.90
  6. Step 6: Final answer
    x = 688,145.90

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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.