Home / 898,013.50-1,238,869.89-549,169.22

Finding the Fourth Proportional to 898,013.50, 1,238,869.89 and 549,169.22

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Solution

The fourth proportional to 898,013.50, 1,238,869.89 and 549,169.22 is: 757,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,013.50 : 1,238,869.89 = 549,169.22 : x
  2. Step 2: Convert to fraction form
    898,013.50/1,238,869.89 = 549,169.22/x
  3. Step 3: Cross multiply
    898,013.50x = 1,238,869.89 × 549,169.22
  4. Step 4: Simplify right side
    898,013.50x = 680,349,214,269.96
  5. Step 5: Solve for x
    x = 680,349,214,269.96/898,013.50
  6. Step 6: Final answer
    x = 757,615.80

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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.