Home / 779,465.31-1,075,650.78-435,297.59

Finding the Fourth Proportional to 779,465.31, 1,075,650.78 and 435,297.59

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Solution

The fourth proportional to 779,465.31, 1,075,650.78 and 435,297.59 is: 600,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,465.31 : 1,075,650.78 = 435,297.59 : x
  2. Step 2: Convert to fraction form
    779,465.31/1,075,650.78 = 435,297.59/x
  3. Step 3: Cross multiply
    779,465.31x = 1,075,650.78 × 435,297.59
  4. Step 4: Simplify right side
    779,465.31x = 468,228,194,881.14
  5. Step 5: Solve for x
    x = 468,228,194,881.14/779,465.31
  6. Step 6: Final answer
    x = 600,704.34

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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.