Home / 942,327.72-1,300,416.12-512,610.30

Finding the Fourth Proportional to 942,327.72, 1,300,416.12 and 512,610.30

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Solution

The fourth proportional to 942,327.72, 1,300,416.12 and 512,610.30 is: 707,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,327.72 : 1,300,416.12 = 512,610.30 : x
  2. Step 2: Convert to fraction form
    942,327.72/1,300,416.12 = 512,610.30/x
  3. Step 3: Cross multiply
    942,327.72x = 1,300,416.12 × 512,610.30
  4. Step 4: Simplify right side
    942,327.72x = 666,606,697,398.04
  5. Step 5: Solve for x
    x = 666,606,697,398.04/942,327.72
  6. Step 6: Final answer
    x = 707,404.32

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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.