Home / 716,963.20-1,075,444.80-402,035.20

Finding the Fourth Proportional to 716,963.20, 1,075,444.80 and 402,035.20

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Solution

The fourth proportional to 716,963.20, 1,075,444.80 and 402,035.20 is: 603,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,963.20 : 1,075,444.80 = 402,035.20 : x
  2. Step 2: Convert to fraction form
    716,963.20/1,075,444.80 = 402,035.20/x
  3. Step 3: Cross multiply
    716,963.20x = 1,075,444.80 × 402,035.20
  4. Step 4: Simplify right side
    716,963.20x = 432,366,665,256.96
  5. Step 5: Solve for x
    x = 432,366,665,256.96/716,963.20
  6. Step 6: Final answer
    x = 603,052.80

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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.