Home / 943,372.57-1,415,157.02-260,259.45

Finding the Fourth Proportional to 943,372.57, 1,415,157.02 and 260,259.45

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Solution

The fourth proportional to 943,372.57, 1,415,157.02 and 260,259.45 is: 390,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,372.57 : 1,415,157.02 = 260,259.45 : x
  2. Step 2: Convert to fraction form
    943,372.57/1,415,157.02 = 260,259.45/x
  3. Step 3: Cross multiply
    943,372.57x = 1,415,157.02 × 260,259.45
  4. Step 4: Simplify right side
    943,372.57x = 368,307,987,303.45
  5. Step 5: Solve for x
    x = 368,307,987,303.45/943,372.57
  6. Step 6: Final answer
    x = 390,416.26

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Double scale
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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.