Home / 572,538.72-790,088.40-317,883.36

Finding the Fourth Proportional to 572,538.72, 790,088.40 and 317,883.36

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Solution

The fourth proportional to 572,538.72, 790,088.40 and 317,883.36 is: 438,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,538.72 : 790,088.40 = 317,883.36 : x
  2. Step 2: Convert to fraction form
    572,538.72/790,088.40 = 317,883.36/x
  3. Step 3: Cross multiply
    572,538.72x = 790,088.40 × 317,883.36
  4. Step 4: Simplify right side
    572,538.72x = 251,155,955,289.02
  5. Step 5: Solve for x
    x = 251,155,955,289.02/572,538.72
  6. Step 6: Final answer
    x = 438,670.69

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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.