Home / 774,394.25-1,068,657.65-434,855.21

Finding the Fourth Proportional to 774,394.25, 1,068,657.65 and 434,855.21

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Solution

The fourth proportional to 774,394.25, 1,068,657.65 and 434,855.21 is: 600,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,394.25 : 1,068,657.65 = 434,855.21 : x
  2. Step 2: Convert to fraction form
    774,394.25/1,068,657.65 = 434,855.21/x
  3. Step 3: Cross multiply
    774,394.25x = 1,068,657.65 × 434,855.21
  4. Step 4: Simplify right side
    774,394.25x = 464,711,339,291.29
  5. Step 5: Solve for x
    x = 464,711,339,291.29/774,394.25
  6. Step 6: Final answer
    x = 600,096.58

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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.