Home / 740,563.56-1,021,971.81-401,031.81

Finding the Fourth Proportional to 740,563.56, 1,021,971.81 and 401,031.81

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Solution

The fourth proportional to 740,563.56, 1,021,971.81 and 401,031.81 is: 553,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,563.56 : 1,021,971.81 = 401,031.81 : x
  2. Step 2: Convert to fraction form
    740,563.56/1,021,971.81 = 401,031.81/x
  3. Step 3: Cross multiply
    740,563.56x = 1,021,971.81 × 401,031.81
  4. Step 4: Simplify right side
    740,563.56x = 409,843,204,733.28
  5. Step 5: Solve for x
    x = 409,843,204,733.28/740,563.56
  6. Step 6: Final answer
    x = 553,420.70

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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.