Home / 740,563.66-1,021,971.94-401,031.91

Finding the Fourth Proportional to 740,563.66, 1,021,971.94 and 401,031.91

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Solution

The fourth proportional to 740,563.66, 1,021,971.94 and 401,031.91 is: 553,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,563.66 : 1,021,971.94 = 401,031.91 : x
  2. Step 2: Convert to fraction form
    740,563.66/1,021,971.94 = 401,031.91/x
  3. Step 3: Cross multiply
    740,563.66x = 1,021,971.94 × 401,031.91
  4. Step 4: Simplify right side
    740,563.66x = 409,843,359,339.49
  5. Step 5: Solve for x
    x = 409,843,359,339.49/740,563.66
  6. Step 6: Final answer
    x = 553,420.83

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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.