Home / 765,846.48-1,057,157.31-602,075.70

Finding the Fourth Proportional to 765,846.48, 1,057,157.31 and 602,075.70

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Solution

The fourth proportional to 765,846.48, 1,057,157.31 and 602,075.70 is: 831,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,846.48 : 1,057,157.31 = 602,075.70 : x
  2. Step 2: Convert to fraction form
    765,846.48/1,057,157.31 = 602,075.70/x
  3. Step 3: Cross multiply
    765,846.48x = 1,057,157.31 × 602,075.70
  4. Step 4: Simplify right side
    765,846.48x = 636,488,727,428.37
  5. Step 5: Solve for x
    x = 636,488,727,428.37/765,846.48
  6. Step 6: Final answer
    x = 831,091.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.