Home / 858,854.57-1,185,255.47-476,916.89

Finding the Fourth Proportional to 858,854.57, 1,185,255.47 and 476,916.89

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Solution

The fourth proportional to 858,854.57, 1,185,255.47 and 476,916.89 is: 658,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,854.57 : 1,185,255.47 = 476,916.89 : x
  2. Step 2: Convert to fraction form
    858,854.57/1,185,255.47 = 476,916.89/x
  3. Step 3: Cross multiply
    858,854.57x = 1,185,255.47 × 476,916.89
  4. Step 4: Simplify right side
    858,854.57x = 565,268,350,223.30
  5. Step 5: Solve for x
    x = 565,268,350,223.30/858,854.57
  6. Step 6: Final answer
    x = 658,165.39

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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.