Home / 749,972.80-1,125,075.84-251,220.16

Finding the Fourth Proportional to 749,972.80, 1,125,075.84 and 251,220.16

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Solution

The fourth proportional to 749,972.80, 1,125,075.84 and 251,220.16 is: 376,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,972.80 : 1,125,075.84 = 251,220.16 : x
  2. Step 2: Convert to fraction form
    749,972.80/1,125,075.84 = 251,220.16/x
  3. Step 3: Cross multiply
    749,972.80x = 1,125,075.84 × 251,220.16
  4. Step 4: Simplify right side
    749,972.80x = 282,641,732,536.93
  5. Step 5: Solve for x
    x = 282,641,732,536.93/749,972.80
  6. Step 6: Final answer
    x = 376,869.31

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Double scale
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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.