Home / 976,876.80-1,465,752.60-444,123.60

Finding the Fourth Proportional to 976,876.80, 1,465,752.60 and 444,123.60

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Solution

The fourth proportional to 976,876.80, 1,465,752.60 and 444,123.60 is: 666,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,876.80 : 1,465,752.60 = 444,123.60 : x
  2. Step 2: Convert to fraction form
    976,876.80/1,465,752.60 = 444,123.60/x
  3. Step 3: Cross multiply
    976,876.80x = 1,465,752.60 × 444,123.60
  4. Step 4: Simplify right side
    976,876.80x = 650,975,321,421.36
  5. Step 5: Solve for x
    x = 650,975,321,421.36/976,876.80
  6. Step 6: Final answer
    x = 666,384.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.