Home / 762,157.23-1,051,701.15-439,971.12

Finding the Fourth Proportional to 762,157.23, 1,051,701.15 and 439,971.12

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Solution

The fourth proportional to 762,157.23, 1,051,701.15 and 439,971.12 is: 607,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,157.23 : 1,051,701.15 = 439,971.12 : x
  2. Step 2: Convert to fraction form
    762,157.23/1,051,701.15 = 439,971.12/x
  3. Step 3: Cross multiply
    762,157.23x = 1,051,701.15 × 439,971.12
  4. Step 4: Simplify right side
    762,157.23x = 462,718,132,870.79
  5. Step 5: Solve for x
    x = 462,718,132,870.79/762,157.23
  6. Step 6: Final answer
    x = 607,116.37

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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.