Home / 809,225.51-1,116,758.88-465,125.36

Finding the Fourth Proportional to 809,225.51, 1,116,758.88 and 465,125.36

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Solution

The fourth proportional to 809,225.51, 1,116,758.88 and 465,125.36 is: 641,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,225.51 : 1,116,758.88 = 465,125.36 : x
  2. Step 2: Convert to fraction form
    809,225.51/1,116,758.88 = 465,125.36/x
  3. Step 3: Cross multiply
    809,225.51x = 1,116,758.88 × 465,125.36
  4. Step 4: Simplify right side
    809,225.51x = 519,432,870,509.40
  5. Step 5: Solve for x
    x = 519,432,870,509.40/809,225.51
  6. Step 6: Final answer
    x = 641,888.90

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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.