Home / 891,547.68-1,337,316.90-217,632.54

Finding the Fourth Proportional to 891,547.68, 1,337,316.90 and 217,632.54

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Solution

The fourth proportional to 891,547.68, 1,337,316.90 and 217,632.54 is: 326,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,547.68 : 1,337,316.90 = 217,632.54 : x
  2. Step 2: Convert to fraction form
    891,547.68/1,337,316.90 = 217,632.54/x
  3. Step 3: Cross multiply
    891,547.68x = 1,337,316.90 × 217,632.54
  4. Step 4: Simplify right side
    891,547.68x = 291,043,673,731.93
  5. Step 5: Solve for x
    x = 291,043,673,731.93/891,547.68
  6. Step 6: Final answer
    x = 326,447.68

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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.