Home / 705,837.60-1,058,756.40-425,901.60

Finding the Fourth Proportional to 705,837.60, 1,058,756.40 and 425,901.60

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Solution

The fourth proportional to 705,837.60, 1,058,756.40 and 425,901.60 is: 638,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,837.60 : 1,058,756.40 = 425,901.60 : x
  2. Step 2: Convert to fraction form
    705,837.60/1,058,756.40 = 425,901.60/x
  3. Step 3: Cross multiply
    705,837.60x = 1,058,756.40 × 425,901.60
  4. Step 4: Simplify right side
    705,837.60x = 450,926,044,770.24
  5. Step 5: Solve for x
    x = 450,926,044,770.24/705,837.60
  6. Step 6: Final answer
    x = 638,852.40

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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.