Home / 716,896.32-1,075,347.48-290,440.40

Finding the Fourth Proportional to 716,896.32, 1,075,347.48 and 290,440.40

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Solution

The fourth proportional to 716,896.32, 1,075,347.48 and 290,440.40 is: 435,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,896.32 : 1,075,347.48 = 290,440.40 : x
  2. Step 2: Convert to fraction form
    716,896.32/1,075,347.48 = 290,440.40/x
  3. Step 3: Cross multiply
    716,896.32x = 1,075,347.48 × 290,440.40
  4. Step 4: Simplify right side
    716,896.32x = 312,324,352,230.19
  5. Step 5: Solve for x
    x = 312,324,352,230.19/716,896.32
  6. Step 6: Final answer
    x = 435,661.82

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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.