Home / 890,993.30-1,229,555.85-503,802.50

Finding the Fourth Proportional to 890,993.30, 1,229,555.85 and 503,802.50

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Solution

The fourth proportional to 890,993.30, 1,229,555.85 and 503,802.50 is: 695,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,993.30 : 1,229,555.85 = 503,802.50 : x
  2. Step 2: Convert to fraction form
    890,993.30/1,229,555.85 = 503,802.50/x
  3. Step 3: Cross multiply
    890,993.30x = 1,229,555.85 × 503,802.50
  4. Step 4: Simplify right side
    890,993.30x = 619,453,311,119.63
  5. Step 5: Solve for x
    x = 619,453,311,119.63/890,993.30
  6. Step 6: Final answer
    x = 695,239.02

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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.