Home / 899,018.28-1,240,683.08-517,045.50

Finding the Fourth Proportional to 899,018.28, 1,240,683.08 and 517,045.50

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Solution

The fourth proportional to 899,018.28, 1,240,683.08 and 517,045.50 is: 713,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,018.28 : 1,240,683.08 = 517,045.50 : x
  2. Step 2: Convert to fraction form
    899,018.28/1,240,683.08 = 517,045.50/x
  3. Step 3: Cross multiply
    899,018.28x = 1,240,683.08 × 517,045.50
  4. Step 4: Simplify right side
    899,018.28x = 641,489,600,854.91
  5. Step 5: Solve for x
    x = 641,489,600,854.91/899,018.28
  6. Step 6: Final answer
    x = 713,544.56

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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.