Home / 830,648.53-1,146,295.44-448,675.30

Finding the Fourth Proportional to 830,648.53, 1,146,295.44 and 448,675.30

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Solution

The fourth proportional to 830,648.53, 1,146,295.44 and 448,675.30 is: 619,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,648.53 : 1,146,295.44 = 448,675.30 : x
  2. Step 2: Convert to fraction form
    830,648.53/1,146,295.44 = 448,675.30/x
  3. Step 3: Cross multiply
    830,648.53x = 1,146,295.44 × 448,675.30
  4. Step 4: Simplify right side
    830,648.53x = 514,314,450,430.63
  5. Step 5: Solve for x
    x = 514,314,450,430.63/830,648.53
  6. Step 6: Final answer
    x = 619,172.17

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Double scale
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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.