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Finding the Fourth Proportional to 704,910.30, 970,317.72 and 608,420.28

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Solution

The fourth proportional to 704,910.30, 970,317.72 and 608,420.28 is: 837,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,910.30 : 970,317.72 = 608,420.28 : x
  2. Step 2: Convert to fraction form
    704,910.30/970,317.72 = 608,420.28/x
  3. Step 3: Cross multiply
    704,910.30x = 970,317.72 × 608,420.28
  4. Step 4: Simplify right side
    704,910.30x = 590,360,978,891.36
  5. Step 5: Solve for x
    x = 590,360,978,891.36/704,910.30
  6. Step 6: Final answer
    x = 837,498.02

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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.