Home / 572,971.36-790,700.16-318,346.24

Finding the Fourth Proportional to 572,971.36, 790,700.16 and 318,346.24

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Solution

The fourth proportional to 572,971.36, 790,700.16 and 318,346.24 is: 439,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,971.36 : 790,700.16 = 318,346.24 : x
  2. Step 2: Convert to fraction form
    572,971.36/790,700.16 = 318,346.24/x
  3. Step 3: Cross multiply
    572,971.36x = 790,700.16 × 318,346.24
  4. Step 4: Simplify right side
    572,971.36x = 251,716,422,903.40
  5. Step 5: Solve for x
    x = 251,716,422,903.40/572,971.36
  6. Step 6: Final answer
    x = 439,317.64

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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.