Home / 674,078.79-1,010,569.95-460,307.64

Finding the Fourth Proportional to 674,078.79, 1,010,569.95 and 460,307.64

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Solution

The fourth proportional to 674,078.79, 1,010,569.95 and 460,307.64 is: 690,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,078.79 : 1,010,569.95 = 460,307.64 : x
  2. Step 2: Convert to fraction form
    674,078.79/1,010,569.95 = 460,307.64/x
  3. Step 3: Cross multiply
    674,078.79x = 1,010,569.95 × 460,307.64
  4. Step 4: Simplify right side
    674,078.79x = 465,173,068,739.42
  5. Step 5: Solve for x
    x = 465,173,068,739.42/674,078.79
  6. Step 6: Final answer
    x = 690,087.09

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1.5x scale

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.