Home / 779,707.87-1,075,882.33-435,501.38

Finding the Fourth Proportional to 779,707.87, 1,075,882.33 and 435,501.38

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Solution

The fourth proportional to 779,707.87, 1,075,882.33 and 435,501.38 is: 600,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,707.87 : 1,075,882.33 = 435,501.38 : x
  2. Step 2: Convert to fraction form
    779,707.87/1,075,882.33 = 435,501.38/x
  3. Step 3: Cross multiply
    779,707.87x = 1,075,882.33 × 435,501.38
  4. Step 4: Simplify right side
    779,707.87x = 468,548,239,432.62
  5. Step 5: Solve for x
    x = 468,548,239,432.62/779,707.87
  6. Step 6: Final answer
    x = 600,927.93

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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.