Home / 779,696.04-1,075,989.51-457,411.62

Finding the Fourth Proportional to 779,696.04, 1,075,989.51 and 457,411.62

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Solution

The fourth proportional to 779,696.04, 1,075,989.51 and 457,411.62 is: 631,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,696.04 : 1,075,989.51 = 457,411.62 : x
  2. Step 2: Convert to fraction form
    779,696.04/1,075,989.51 = 457,411.62/x
  3. Step 3: Cross multiply
    779,696.04x = 1,075,989.51 × 457,411.62
  4. Step 4: Simplify right side
    779,696.04x = 492,170,104,872.11
  5. Step 5: Solve for x
    x = 492,170,104,872.11/779,696.04
  6. Step 6: Final answer
    x = 631,233.30

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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.