Home / 830,718.06-1,146,391.96-448,744.84

Finding the Fourth Proportional to 830,718.06, 1,146,391.96 and 448,744.84

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Solution

The fourth proportional to 830,718.06, 1,146,391.96 and 448,744.84 is: 619,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,718.06 : 1,146,391.96 = 448,744.84 : x
  2. Step 2: Convert to fraction form
    830,718.06/1,146,391.96 = 448,744.84/x
  3. Step 3: Cross multiply
    830,718.06x = 1,146,391.96 × 448,744.84
  4. Step 4: Simplify right side
    830,718.06x = 514,437,476,667.49
  5. Step 5: Solve for x
    x = 514,437,476,667.49/830,718.06
  6. Step 6: Final answer
    x = 619,268.44

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Double scale
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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.