Home / 774,363.15-1,068,633.74-430,221.29

Finding the Fourth Proportional to 774,363.15, 1,068,633.74 and 430,221.29

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Solution

The fourth proportional to 774,363.15, 1,068,633.74 and 430,221.29 is: 593,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,363.15 : 1,068,633.74 = 430,221.29 : x
  2. Step 2: Convert to fraction form
    774,363.15/1,068,633.74 = 430,221.29/x
  3. Step 3: Cross multiply
    774,363.15x = 1,068,633.74 × 430,221.29
  4. Step 4: Simplify right side
    774,363.15x = 459,748,981,892.71
  5. Step 5: Solve for x
    x = 459,748,981,892.71/774,363.15
  6. Step 6: Final answer
    x = 593,712.37

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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.