Home / 679,271.60-1,018,259.40-252,693.20

Finding the Fourth Proportional to 679,271.60, 1,018,259.40 and 252,693.20

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Solution

The fourth proportional to 679,271.60, 1,018,259.40 and 252,693.20 is: 378,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,271.60 : 1,018,259.40 = 252,693.20 : x
  2. Step 2: Convert to fraction form
    679,271.60/1,018,259.40 = 252,693.20/x
  3. Step 3: Cross multiply
    679,271.60x = 1,018,259.40 × 252,693.20
  4. Step 4: Simplify right side
    679,271.60x = 257,307,226,216.08
  5. Step 5: Solve for x
    x = 257,307,226,216.08/679,271.60
  6. Step 6: Final answer
    x = 378,798.74

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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.