Home / 744,230.40-1,116,345.60-705,739.20

Finding the Fourth Proportional to 744,230.40, 1,116,345.60 and 705,739.20

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Solution

The fourth proportional to 744,230.40, 1,116,345.60 and 705,739.20 is: 1,058,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,230.40 : 1,116,345.60 = 705,739.20 : x
  2. Step 2: Convert to fraction form
    744,230.40/1,116,345.60 = 705,739.20/x
  3. Step 3: Cross multiply
    744,230.40x = 1,116,345.60 × 705,739.20
  4. Step 4: Simplify right side
    744,230.40x = 787,848,850,667.52
  5. Step 5: Solve for x
    x = 787,848,850,667.52/744,230.40
  6. Step 6: Final answer
    x = 1,058,608.80

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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.