Home / 779,138.30-1,075,206.75-434,954.18

Finding the Fourth Proportional to 779,138.30, 1,075,206.75 and 434,954.18

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Solution

The fourth proportional to 779,138.30, 1,075,206.75 and 434,954.18 is: 600,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,138.30 : 1,075,206.75 = 434,954.18 : x
  2. Step 2: Convert to fraction form
    779,138.30/1,075,206.75 = 434,954.18/x
  3. Step 3: Cross multiply
    779,138.30x = 1,075,206.75 × 434,954.18
  4. Step 4: Simplify right side
    779,138.30x = 467,665,670,276.72
  5. Step 5: Solve for x
    x = 467,665,670,276.72/779,138.30
  6. Step 6: Final answer
    x = 600,234.48

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Double scale
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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.