Home / 879,416.03-1,213,582.22-492,231.35

Finding the Fourth Proportional to 879,416.03, 1,213,582.22 and 492,231.35

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Solution

The fourth proportional to 879,416.03, 1,213,582.22 and 492,231.35 is: 679,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,416.03 : 1,213,582.22 = 492,231.35 : x
  2. Step 2: Convert to fraction form
    879,416.03/1,213,582.22 = 492,231.35/x
  3. Step 3: Cross multiply
    879,416.03x = 1,213,582.22 × 492,231.35
  4. Step 4: Simplify right side
    879,416.03x = 597,363,216,905.26
  5. Step 5: Solve for x
    x = 597,363,216,905.26/879,416.03
  6. Step 6: Final answer
    x = 679,272.60

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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.