Home / 830,643.63-1,146,288.26-448,670.42

Finding the Fourth Proportional to 830,643.63, 1,146,288.26 and 448,670.42

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Solution

The fourth proportional to 830,643.63, 1,146,288.26 and 448,670.42 is: 619,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,643.63 : 1,146,288.26 = 448,670.42 : x
  2. Step 2: Convert to fraction form
    830,643.63/1,146,288.26 = 448,670.42/x
  3. Step 3: Cross multiply
    830,643.63x = 1,146,288.26 × 448,670.42
  4. Step 4: Simplify right side
    830,643.63x = 514,305,628,996.38
  5. Step 5: Solve for x
    x = 514,305,628,996.38/830,643.63
  6. Step 6: Final answer
    x = 619,165.20

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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.