Home / 804,681.12-1,110,455.52-437,155.20

Finding the Fourth Proportional to 804,681.12, 1,110,455.52 and 437,155.20

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Solution

The fourth proportional to 804,681.12, 1,110,455.52 and 437,155.20 is: 603,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,681.12 : 1,110,455.52 = 437,155.20 : x
  2. Step 2: Convert to fraction form
    804,681.12/1,110,455.52 = 437,155.20/x
  3. Step 3: Cross multiply
    804,681.12x = 1,110,455.52 × 437,155.20
  4. Step 4: Simplify right side
    804,681.12x = 485,441,404,936.70
  5. Step 5: Solve for x
    x = 485,441,404,936.70/804,681.12
  6. Step 6: Final answer
    x = 603,271.77

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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.