Home / 742,578.99-1,024,760.18-403,047.39

Finding the Fourth Proportional to 742,578.99, 1,024,760.18 and 403,047.39

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Solution

The fourth proportional to 742,578.99, 1,024,760.18 and 403,047.39 is: 556,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,578.99 : 1,024,760.18 = 403,047.39 : x
  2. Step 2: Convert to fraction form
    742,578.99/1,024,760.18 = 403,047.39/x
  3. Step 3: Cross multiply
    742,578.99x = 1,024,760.18 × 403,047.39
  4. Step 4: Simplify right side
    742,578.99x = 413,026,913,909.69
  5. Step 5: Solve for x
    x = 413,026,913,909.69/742,578.99
  6. Step 6: Final answer
    x = 556,206.03

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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.