Home / 779,703.04-1,075,999.17-457,418.62

Finding the Fourth Proportional to 779,703.04, 1,075,999.17 and 457,418.62

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Solution

The fourth proportional to 779,703.04, 1,075,999.17 and 457,418.62 is: 631,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,703.04 : 1,075,999.17 = 457,418.62 : x
  2. Step 2: Convert to fraction form
    779,703.04/1,075,999.17 = 457,418.62/x
  3. Step 3: Cross multiply
    779,703.04x = 1,075,999.17 × 457,418.62
  4. Step 4: Simplify right side
    779,703.04x = 492,182,055,462.55
  5. Step 5: Solve for x
    x = 492,182,055,462.55/779,703.04
  6. Step 6: Final answer
    x = 631,242.96

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1.5x scale

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.