Home / 950,851.81-1,312,116.01-521,101.45

Finding the Fourth Proportional to 950,851.81, 1,312,116.01 and 521,101.45

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Solution

The fourth proportional to 950,851.81, 1,312,116.01 and 521,101.45 is: 719,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,851.81 : 1,312,116.01 = 521,101.45 : x
  2. Step 2: Convert to fraction form
    950,851.81/1,312,116.01 = 521,101.45/x
  3. Step 3: Cross multiply
    950,851.81x = 1,312,116.01 × 521,101.45
  4. Step 4: Simplify right side
    950,851.81x = 683,745,558,647.80
  5. Step 5: Solve for x
    x = 683,745,558,647.80/950,851.81
  6. Step 6: Final answer
    x = 719,087.40

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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.