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Finding the Fourth Proportional to 712,881.12, 983,751.44 and 426,252.32

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Solution

The fourth proportional to 712,881.12, 983,751.44 and 426,252.32 is: 588,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,881.12 : 983,751.44 = 426,252.32 : x
  2. Step 2: Convert to fraction form
    712,881.12/983,751.44 = 426,252.32/x
  3. Step 3: Cross multiply
    712,881.12x = 983,751.44 × 426,252.32
  4. Step 4: Simplify right side
    712,881.12x = 419,326,333,603.34
  5. Step 5: Solve for x
    x = 419,326,333,603.34/712,881.12
  6. Step 6: Final answer
    x = 588,213.55

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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.