Home / 779,388.64-1,075,535.36-435,214.98

Finding the Fourth Proportional to 779,388.64, 1,075,535.36 and 435,214.98

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Solution

The fourth proportional to 779,388.64, 1,075,535.36 and 435,214.98 is: 600,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,388.64 : 1,075,535.36 = 435,214.98 : x
  2. Step 2: Convert to fraction form
    779,388.64/1,075,535.36 = 435,214.98/x
  3. Step 3: Cross multiply
    779,388.64x = 1,075,535.36 × 435,214.98
  4. Step 4: Simplify right side
    779,388.64x = 468,089,102,095.76
  5. Step 5: Solve for x
    x = 468,089,102,095.76/779,388.64
  6. Step 6: Final answer
    x = 600,584.97

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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.