Home / 768,865.49-1,061,030.16-424,725.10

Finding the Fourth Proportional to 768,865.49, 1,061,030.16 and 424,725.10

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Solution

The fourth proportional to 768,865.49, 1,061,030.16 and 424,725.10 is: 586,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,865.49 : 1,061,030.16 = 424,725.10 : x
  2. Step 2: Convert to fraction form
    768,865.49/1,061,030.16 = 424,725.10/x
  3. Step 3: Cross multiply
    768,865.49x = 1,061,030.16 × 424,725.10
  4. Step 4: Simplify right side
    768,865.49x = 450,646,136,961.90
  5. Step 5: Solve for x
    x = 450,646,136,961.90/768,865.49
  6. Step 6: Final answer
    x = 586,118.30

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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.