Home / 682,295.40-941,547.24-380,489.40

Finding the Fourth Proportional to 682,295.40, 941,547.24 and 380,489.40

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Solution

The fourth proportional to 682,295.40, 941,547.24 and 380,489.40 is: 525,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,295.40 : 941,547.24 = 380,489.40 : x
  2. Step 2: Convert to fraction form
    682,295.40/941,547.24 = 380,489.40/x
  3. Step 3: Cross multiply
    682,295.40x = 941,547.24 × 380,489.40
  4. Step 4: Simplify right side
    682,295.40x = 358,248,744,419.26
  5. Step 5: Solve for x
    x = 358,248,744,419.26/682,295.40
  6. Step 6: Final answer
    x = 525,063.99

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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.