Home / 672,043.80-1,008,065.70-618,389.40

Finding the Fourth Proportional to 672,043.80, 1,008,065.70 and 618,389.40

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Solution

The fourth proportional to 672,043.80, 1,008,065.70 and 618,389.40 is: 927,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,043.80 : 1,008,065.70 = 618,389.40 : x
  2. Step 2: Convert to fraction form
    672,043.80/1,008,065.70 = 618,389.40/x
  3. Step 3: Cross multiply
    672,043.80x = 1,008,065.70 × 618,389.40
  4. Step 4: Simplify right side
    672,043.80x = 623,377,143,383.58
  5. Step 5: Solve for x
    x = 623,377,143,383.58/672,043.80
  6. Step 6: Final answer
    x = 927,584.10

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1.5x scale

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.