Home / 779,228.76-1,075,325.18-435,069.96

Finding the Fourth Proportional to 779,228.76, 1,075,325.18 and 435,069.96

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Solution

The fourth proportional to 779,228.76, 1,075,325.18 and 435,069.96 is: 600,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,228.76 : 1,075,325.18 = 435,069.96 : x
  2. Step 2: Convert to fraction form
    779,228.76/1,075,325.18 = 435,069.96/x
  3. Step 3: Cross multiply
    779,228.76x = 1,075,325.18 × 435,069.96
  4. Step 4: Simplify right side
    779,228.76x = 467,841,683,049.59
  5. Step 5: Solve for x
    x = 467,841,683,049.59/779,228.76
  6. Step 6: Final answer
    x = 600,390.68

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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.