Home / 679,013.58-1,022,582.54-618,480.14

Finding the Fourth Proportional to 679,013.58, 1,022,582.54 and 618,480.14

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Solution

The fourth proportional to 679,013.58, 1,022,582.54 and 618,480.14 is: 931,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,013.58 : 1,022,582.54 = 618,480.14 : x
  2. Step 2: Convert to fraction form
    679,013.58/1,022,582.54 = 618,480.14/x
  3. Step 3: Cross multiply
    679,013.58x = 1,022,582.54 × 618,480.14
  4. Step 4: Simplify right side
    679,013.58x = 632,446,992,500.76
  5. Step 5: Solve for x
    x = 632,446,992,500.76/679,013.58
  6. Step 6: Final answer
    x = 931,420.24

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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.