Home / 742,075.46-1,024,064.46-419,778.68

Finding the Fourth Proportional to 742,075.46, 1,024,064.46 and 419,778.68

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Solution

The fourth proportional to 742,075.46, 1,024,064.46 and 419,778.68 is: 579,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,075.46 : 1,024,064.46 = 419,778.68 : x
  2. Step 2: Convert to fraction form
    742,075.46/1,024,064.46 = 419,778.68/x
  3. Step 3: Cross multiply
    742,075.46x = 1,024,064.46 × 419,778.68
  4. Step 4: Simplify right side
    742,075.46x = 429,880,427,253.71
  5. Step 5: Solve for x
    x = 429,880,427,253.71/742,075.46
  6. Step 6: Final answer
    x = 579,294.76

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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.