Home / 705,881.80-1,058,822.70-407,283.40

Finding the Fourth Proportional to 705,881.80, 1,058,822.70 and 407,283.40

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Solution

The fourth proportional to 705,881.80, 1,058,822.70 and 407,283.40 is: 610,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,881.80 : 1,058,822.70 = 407,283.40 : x
  2. Step 2: Convert to fraction form
    705,881.80/1,058,822.70 = 407,283.40/x
  3. Step 3: Cross multiply
    705,881.80x = 1,058,822.70 × 407,283.40
  4. Step 4: Simplify right side
    705,881.80x = 431,240,909,253.18
  5. Step 5: Solve for x
    x = 431,240,909,253.18/705,881.80
  6. Step 6: Final answer
    x = 610,925.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.