Home / 768,865.57-1,061,030.25-424,725.17

Finding the Fourth Proportional to 768,865.57, 1,061,030.25 and 424,725.17

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Solution

The fourth proportional to 768,865.57, 1,061,030.25 and 424,725.17 is: 586,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,865.57 : 1,061,030.25 = 424,725.17 : x
  2. Step 2: Convert to fraction form
    768,865.57/1,061,030.25 = 424,725.17/x
  3. Step 3: Cross multiply
    768,865.57x = 1,061,030.25 × 424,725.17
  4. Step 4: Simplify right side
    768,865.57x = 450,646,248,001.24
  5. Step 5: Solve for x
    x = 450,646,248,001.24/768,865.57
  6. Step 6: Final answer
    x = 586,118.39

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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.