Home / 779,222.28-1,075,316.31-435,063.51

Finding the Fourth Proportional to 779,222.28, 1,075,316.31 and 435,063.51

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Solution

The fourth proportional to 779,222.28, 1,075,316.31 and 435,063.51 is: 600,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,222.28 : 1,075,316.31 = 435,063.51 : x
  2. Step 2: Convert to fraction form
    779,222.28/1,075,316.31 = 435,063.51/x
  3. Step 3: Cross multiply
    779,222.28x = 1,075,316.31 × 435,063.51
  4. Step 4: Simplify right side
    779,222.28x = 467,830,888,188.85
  5. Step 5: Solve for x
    x = 467,830,888,188.85/779,222.28
  6. Step 6: Final answer
    x = 600,381.82

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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.