Home / 716,699.40-1,075,215.36-243,385.20

Finding the Fourth Proportional to 716,699.40, 1,075,215.36 and 243,385.20

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Solution

The fourth proportional to 716,699.40, 1,075,215.36 and 243,385.20 is: 365,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,699.40 : 1,075,215.36 = 243,385.20 : x
  2. Step 2: Convert to fraction form
    716,699.40/1,075,215.36 = 243,385.20/x
  3. Step 3: Cross multiply
    716,699.40x = 1,075,215.36 × 243,385.20
  4. Step 4: Simplify right side
    716,699.40x = 261,691,505,436.67
  5. Step 5: Solve for x
    x = 261,691,505,436.67/716,699.40
  6. Step 6: Final answer
    x = 365,134.26

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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.