Home / 779,447.53-1,075,616.61-435,273.87

Finding the Fourth Proportional to 779,447.53, 1,075,616.61 and 435,273.87

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Solution

The fourth proportional to 779,447.53, 1,075,616.61 and 435,273.87 is: 600,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,447.53 : 1,075,616.61 = 435,273.87 : x
  2. Step 2: Convert to fraction form
    779,447.53/1,075,616.61 = 435,273.87/x
  3. Step 3: Cross multiply
    779,447.53x = 1,075,616.61 × 435,273.87
  4. Step 4: Simplify right side
    779,447.53x = 468,187,804,470.98
  5. Step 5: Solve for x
    x = 468,187,804,470.98/779,447.53
  6. Step 6: Final answer
    x = 600,666.22

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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.