Home / 770,550.12-1,063,301.40-430,952.76

Finding the Fourth Proportional to 770,550.12, 1,063,301.40 and 430,952.76

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Solution

The fourth proportional to 770,550.12, 1,063,301.40 and 430,952.76 is: 594,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,550.12 : 1,063,301.40 = 430,952.76 : x
  2. Step 2: Convert to fraction form
    770,550.12/1,063,301.40 = 430,952.76/x
  3. Step 3: Cross multiply
    770,550.12x = 1,063,301.40 × 430,952.76
  4. Step 4: Simplify right side
    770,550.12x = 458,232,673,041.86
  5. Step 5: Solve for x
    x = 458,232,673,041.86/770,550.12
  6. Step 6: Final answer
    x = 594,682.50

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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.