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Finding the Fourth Proportional to 500,152.99, 750,228.36 and 386,466.10

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Solution

The fourth proportional to 500,152.99, 750,228.36 and 386,466.10 is: 579,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,152.99 : 750,228.36 = 386,466.10 : x
  2. Step 2: Convert to fraction form
    500,152.99/750,228.36 = 386,466.10/x
  3. Step 3: Cross multiply
    500,152.99x = 750,228.36 × 386,466.10
  4. Step 4: Simplify right side
    500,152.99x = 289,937,828,398.60
  5. Step 5: Solve for x
    x = 289,937,828,398.60/500,152.99
  6. Step 6: Final answer
    x = 579,698.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.