Home / 976,644.81-1,465,042.95-293,478.32

Finding the Fourth Proportional to 976,644.81, 1,465,042.95 and 293,478.32

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Solution

The fourth proportional to 976,644.81, 1,465,042.95 and 293,478.32 is: 440,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,644.81 : 1,465,042.95 = 293,478.32 : x
  2. Step 2: Convert to fraction form
    976,644.81/1,465,042.95 = 293,478.32/x
  3. Step 3: Cross multiply
    976,644.81x = 1,465,042.95 × 293,478.32
  4. Step 4: Simplify right side
    976,644.81x = 429,958,347,356.45
  5. Step 5: Solve for x
    x = 429,958,347,356.45/976,644.81
  6. Step 6: Final answer
    x = 440,240.24

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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.