Home / 750,801.36-1,036,196.90-424,128.14

Finding the Fourth Proportional to 750,801.36, 1,036,196.90 and 424,128.14

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Solution

The fourth proportional to 750,801.36, 1,036,196.90 and 424,128.14 is: 585,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,801.36 : 1,036,196.90 = 424,128.14 : x
  2. Step 2: Convert to fraction form
    750,801.36/1,036,196.90 = 424,128.14/x
  3. Step 3: Cross multiply
    750,801.36x = 1,036,196.90 × 424,128.14
  4. Step 4: Simplify right side
    750,801.36x = 439,480,263,870.77
  5. Step 5: Solve for x
    x = 439,480,263,870.77/750,801.36
  6. Step 6: Final answer
    x = 585,348.25

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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.