Home / 830,647.53-1,146,294.06-448,674.30

Finding the Fourth Proportional to 830,647.53, 1,146,294.06 and 448,674.30

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Solution

The fourth proportional to 830,647.53, 1,146,294.06 and 448,674.30 is: 619,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,647.53 : 1,146,294.06 = 448,674.30 : x
  2. Step 2: Convert to fraction form
    830,647.53/1,146,294.06 = 448,674.30/x
  3. Step 3: Cross multiply
    830,647.53x = 1,146,294.06 × 448,674.30
  4. Step 4: Simplify right side
    830,647.53x = 514,312,684,964.66
  5. Step 5: Solve for x
    x = 514,312,684,964.66/830,647.53
  6. Step 6: Final answer
    x = 619,170.79

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Double scale
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Similar ratio
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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.