Home / 765,845.98-1,057,156.62-602,075.20

Finding the Fourth Proportional to 765,845.98, 1,057,156.62 and 602,075.20

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Solution

The fourth proportional to 765,845.98, 1,057,156.62 and 602,075.20 is: 831,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,845.98 : 1,057,156.62 = 602,075.20 : x
  2. Step 2: Convert to fraction form
    765,845.98/1,057,156.62 = 602,075.20/x
  3. Step 3: Cross multiply
    765,845.98x = 1,057,156.62 × 602,075.20
  4. Step 4: Simplify right side
    765,845.98x = 636,487,783,417.82
  5. Step 5: Solve for x
    x = 636,487,783,417.82/765,845.98
  6. Step 6: Final answer
    x = 831,091.11

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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.