Home / 774,434.52-1,068,811.20-434,901.96

Finding the Fourth Proportional to 774,434.52, 1,068,811.20 and 434,901.96

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Solution

The fourth proportional to 774,434.52, 1,068,811.20 and 434,901.96 is: 600,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,434.52 : 1,068,811.20 = 434,901.96 : x
  2. Step 2: Convert to fraction form
    774,434.52/1,068,811.20 = 434,901.96/x
  3. Step 3: Cross multiply
    774,434.52x = 1,068,811.20 × 434,901.96
  4. Step 4: Simplify right side
    774,434.52x = 464,828,085,749.95
  5. Step 5: Solve for x
    x = 464,828,085,749.95/774,434.52
  6. Step 6: Final answer
    x = 600,216.12

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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.