Home / 862,838.34-1,190,720.90-500,476.74

Finding the Fourth Proportional to 862,838.34, 1,190,720.90 and 500,476.74

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Solution

The fourth proportional to 862,838.34, 1,190,720.90 and 500,476.74 is: 690,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,838.34 : 1,190,720.90 = 500,476.74 : x
  2. Step 2: Convert to fraction form
    862,838.34/1,190,720.90 = 500,476.74/x
  3. Step 3: Cross multiply
    862,838.34x = 1,190,720.90 × 500,476.74
  4. Step 4: Simplify right side
    862,838.34x = 595,928,114,281.87
  5. Step 5: Solve for x
    x = 595,928,114,281.87/862,838.34
  6. Step 6: Final answer
    x = 690,660.22

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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.