Home / 679,018.08-1,022,589.32-618,484.64

Finding the Fourth Proportional to 679,018.08, 1,022,589.32 and 618,484.64

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Solution

The fourth proportional to 679,018.08, 1,022,589.32 and 618,484.64 is: 931,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,018.08 : 1,022,589.32 = 618,484.64 : x
  2. Step 2: Convert to fraction form
    679,018.08/1,022,589.32 = 618,484.64/x
  3. Step 3: Cross multiply
    679,018.08x = 1,022,589.32 × 618,484.64
  4. Step 4: Simplify right side
    679,018.08x = 632,455,787,448.05
  5. Step 5: Solve for x
    x = 632,455,787,448.05/679,018.08
  6. Step 6: Final answer
    x = 931,427.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.