Home / 779,712.24-1,075,888.36-435,505.76

Finding the Fourth Proportional to 779,712.24, 1,075,888.36 and 435,505.76

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Solution

The fourth proportional to 779,712.24, 1,075,888.36 and 435,505.76 is: 600,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,712.24 : 1,075,888.36 = 435,505.76 : x
  2. Step 2: Convert to fraction form
    779,712.24/1,075,888.36 = 435,505.76/x
  3. Step 3: Cross multiply
    779,712.24x = 1,075,888.36 × 435,505.76
  4. Step 4: Simplify right side
    779,712.24x = 468,555,577,896.95
  5. Step 5: Solve for x
    x = 468,555,577,896.95/779,712.24
  6. Step 6: Final answer
    x = 600,933.98

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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.