Home / 729,038.40-1,093,557.60-549,412.80

Finding the Fourth Proportional to 729,038.40, 1,093,557.60 and 549,412.80

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Solution

The fourth proportional to 729,038.40, 1,093,557.60 and 549,412.80 is: 824,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,038.40 : 1,093,557.60 = 549,412.80 : x
  2. Step 2: Convert to fraction form
    729,038.40/1,093,557.60 = 549,412.80/x
  3. Step 3: Cross multiply
    729,038.40x = 1,093,557.60 × 549,412.80
  4. Step 4: Simplify right side
    729,038.40x = 600,814,542,977.28
  5. Step 5: Solve for x
    x = 600,814,542,977.28/729,038.40
  6. Step 6: Final answer
    x = 824,119.20

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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.