Home / 679,011.57-1,022,579.52-618,478.14

Finding the Fourth Proportional to 679,011.57, 1,022,579.52 and 618,478.14

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Solution

The fourth proportional to 679,011.57, 1,022,579.52 and 618,478.14 is: 931,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,011.57 : 1,022,579.52 = 618,478.14 : x
  2. Step 2: Convert to fraction form
    679,011.57/1,022,579.52 = 618,478.14/x
  3. Step 3: Cross multiply
    679,011.57x = 1,022,579.52 × 618,478.14
  4. Step 4: Simplify right side
    679,011.57x = 632,443,079,531.69
  5. Step 5: Solve for x
    x = 632,443,079,531.69/679,011.57
  6. Step 6: Final answer
    x = 931,417.24

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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.