Home / 763,622.40-1,053,801.37-424,090.65

Finding the Fourth Proportional to 763,622.40, 1,053,801.37 and 424,090.65

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Solution

The fourth proportional to 763,622.40, 1,053,801.37 and 424,090.65 is: 585,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,622.40 : 1,053,801.37 = 424,090.65 : x
  2. Step 2: Convert to fraction form
    763,622.40/1,053,801.37 = 424,090.65/x
  3. Step 3: Cross multiply
    763,622.40x = 1,053,801.37 × 424,090.65
  4. Step 4: Simplify right side
    763,622.40x = 446,907,307,974.19
  5. Step 5: Solve for x
    x = 446,907,307,974.19/763,622.40
  6. Step 6: Final answer
    x = 585,246.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.