Home / 786,516.48-1,085,361.46-464,330.35

Finding the Fourth Proportional to 786,516.48, 1,085,361.46 and 464,330.35

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Solution

The fourth proportional to 786,516.48, 1,085,361.46 and 464,330.35 is: 640,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,516.48 : 1,085,361.46 = 464,330.35 : x
  2. Step 2: Convert to fraction form
    786,516.48/1,085,361.46 = 464,330.35/x
  3. Step 3: Cross multiply
    786,516.48x = 1,085,361.46 × 464,330.35
  4. Step 4: Simplify right side
    786,516.48x = 503,966,266,598.31
  5. Step 5: Solve for x
    x = 503,966,266,598.31/786,516.48
  6. Step 6: Final answer
    x = 640,757.42

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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.