Home / 976,548.90-1,464,343.98-407,759.40

Finding the Fourth Proportional to 976,548.90, 1,464,343.98 and 407,759.40

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Solution

The fourth proportional to 976,548.90, 1,464,343.98 and 407,759.40 is: 611,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,548.90 : 1,464,343.98 = 407,759.40 : x
  2. Step 2: Convert to fraction form
    976,548.90/1,464,343.98 = 407,759.40/x
  3. Step 3: Cross multiply
    976,548.90x = 1,464,343.98 × 407,759.40
  4. Step 4: Simplify right side
    976,548.90x = 597,100,022,678.41
  5. Step 5: Solve for x
    x = 597,100,022,678.41/976,548.90
  6. Step 6: Final answer
    x = 611,438.94

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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.