Home / 830,677.80-1,146,334.68-448,704.48

Finding the Fourth Proportional to 830,677.80, 1,146,334.68 and 448,704.48

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Solution

The fourth proportional to 830,677.80, 1,146,334.68 and 448,704.48 is: 619,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,677.80 : 1,146,334.68 = 448,704.48 : x
  2. Step 2: Convert to fraction form
    830,677.80/1,146,334.68 = 448,704.48/x
  3. Step 3: Cross multiply
    830,677.80x = 1,146,334.68 × 448,704.48
  4. Step 4: Simplify right side
    830,677.80x = 514,365,506,495.37
  5. Step 5: Solve for x
    x = 514,365,506,495.37/830,677.80
  6. Step 6: Final answer
    x = 619,211.81

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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.