Home / 786,111.45-1,084,872.23-442,055.64

Finding the Fourth Proportional to 786,111.45, 1,084,872.23 and 442,055.64

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Solution

The fourth proportional to 786,111.45, 1,084,872.23 and 442,055.64 is: 610,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,111.45 : 1,084,872.23 = 442,055.64 : x
  2. Step 2: Convert to fraction form
    786,111.45/1,084,872.23 = 442,055.64/x
  3. Step 3: Cross multiply
    786,111.45x = 1,084,872.23 × 442,055.64
  4. Step 4: Simplify right side
    786,111.45x = 479,573,893,953.14
  5. Step 5: Solve for x
    x = 479,573,893,953.14/786,111.45
  6. Step 6: Final answer
    x = 610,058.40

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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.