Home / 942,475.48-1,300,601.85-512,745.78

Finding the Fourth Proportional to 942,475.48, 1,300,601.85 and 512,745.78

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Solution

The fourth proportional to 942,475.48, 1,300,601.85 and 512,745.78 is: 707,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,475.48 : 1,300,601.85 = 512,745.78 : x
  2. Step 2: Convert to fraction form
    942,475.48/1,300,601.85 = 512,745.78/x
  3. Step 3: Cross multiply
    942,475.48x = 1,300,601.85 × 512,745.78
  4. Step 4: Simplify right side
    942,475.48x = 666,878,100,980.96
  5. Step 5: Solve for x
    x = 666,878,100,980.96/942,475.48
  6. Step 6: Final answer
    x = 707,581.38

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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.