Home / 740,553.34-1,021,962.15-401,020.54

Finding the Fourth Proportional to 740,553.34, 1,021,962.15 and 401,020.54

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Solution

The fourth proportional to 740,553.34, 1,021,962.15 and 401,020.54 is: 553,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,553.34 : 1,021,962.15 = 401,020.54 : x
  2. Step 2: Convert to fraction form
    740,553.34/1,021,962.15 = 401,020.54/x
  3. Step 3: Cross multiply
    740,553.34x = 1,021,962.15 × 401,020.54
  4. Step 4: Simplify right side
    740,553.34x = 409,827,813,252.56
  5. Step 5: Solve for x
    x = 409,827,813,252.56/740,553.34
  6. Step 6: Final answer
    x = 553,407.56

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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.