Home / 905,369.90-1,249,404.26-497,476.04

Finding the Fourth Proportional to 905,369.90, 1,249,404.26 and 497,476.04

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Solution

The fourth proportional to 905,369.90, 1,249,404.26 and 497,476.04 is: 686,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,369.90 : 1,249,404.26 = 497,476.04 : x
  2. Step 2: Convert to fraction form
    905,369.90/1,249,404.26 = 497,476.04/x
  3. Step 3: Cross multiply
    905,369.90x = 1,249,404.26 × 497,476.04
  4. Step 4: Simplify right side
    905,369.90x = 621,548,683,623.93
  5. Step 5: Solve for x
    x = 621,548,683,623.93/905,369.90
  6. Step 6: Final answer
    x = 686,513.53

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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.