Home / 947,326.94-1,308,184.19-608,385.66

Finding the Fourth Proportional to 947,326.94, 1,308,184.19 and 608,385.66

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Solution

The fourth proportional to 947,326.94, 1,308,184.19 and 608,385.66 is: 840,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,326.94 : 1,308,184.19 = 608,385.66 : x
  2. Step 2: Convert to fraction form
    947,326.94/1,308,184.19 = 608,385.66/x
  3. Step 3: Cross multiply
    947,326.94x = 1,308,184.19 × 608,385.66
  4. Step 4: Simplify right side
    947,326.94x = 795,880,501,834.72
  5. Step 5: Solve for x
    x = 795,880,501,834.72/947,326.94
  6. Step 6: Final answer
    x = 840,132.87

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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.