Home / 779,708.24-1,075,882.85-435,501.76

Finding the Fourth Proportional to 779,708.24, 1,075,882.85 and 435,501.76

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Solution

The fourth proportional to 779,708.24, 1,075,882.85 and 435,501.76 is: 600,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,708.24 : 1,075,882.85 = 435,501.76 : x
  2. Step 2: Convert to fraction form
    779,708.24/1,075,882.85 = 435,501.76/x
  3. Step 3: Cross multiply
    779,708.24x = 1,075,882.85 × 435,501.76
  4. Step 4: Simplify right side
    779,708.24x = 468,548,874,728.82
  5. Step 5: Solve for x
    x = 468,548,874,728.82/779,708.24
  6. Step 6: Final answer
    x = 600,928.46

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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.