Home / 774,077.79-1,068,228.42-434,548.47

Finding the Fourth Proportional to 774,077.79, 1,068,228.42 and 434,548.47

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Solution

The fourth proportional to 774,077.79, 1,068,228.42 and 434,548.47 is: 599,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,077.79 : 1,068,228.42 = 434,548.47 : x
  2. Step 2: Convert to fraction form
    774,077.79/1,068,228.42 = 434,548.47/x
  3. Step 3: Cross multiply
    774,077.79x = 1,068,228.42 × 434,548.47
  4. Step 4: Simplify right side
    774,077.79x = 464,197,025,521.52
  5. Step 5: Solve for x
    x = 464,197,025,521.52/774,077.79
  6. Step 6: Final answer
    x = 599,677.49

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Double scale
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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.