Home / 768,352.30-1,060,464.95-458,274.75

Finding the Fourth Proportional to 768,352.30, 1,060,464.95 and 458,274.75

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Solution

The fourth proportional to 768,352.30, 1,060,464.95 and 458,274.75 is: 632,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,352.30 : 1,060,464.95 = 458,274.75 : x
  2. Step 2: Convert to fraction form
    768,352.30/1,060,464.95 = 458,274.75/x
  3. Step 3: Cross multiply
    768,352.30x = 1,060,464.95 × 458,274.75
  4. Step 4: Simplify right side
    768,352.30x = 485,984,315,826.71
  5. Step 5: Solve for x
    x = 485,984,315,826.71/768,352.30
  6. Step 6: Final answer
    x = 632,501.93

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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.