Home / 836,918.89-1,155,074.25-510,421.42

Finding the Fourth Proportional to 836,918.89, 1,155,074.25 and 510,421.42

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Solution

The fourth proportional to 836,918.89, 1,155,074.25 and 510,421.42 is: 704,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,918.89 : 1,155,074.25 = 510,421.42 : x
  2. Step 2: Convert to fraction form
    836,918.89/1,155,074.25 = 510,421.42/x
  3. Step 3: Cross multiply
    836,918.89x = 1,155,074.25 × 510,421.42
  4. Step 4: Simplify right side
    836,918.89x = 589,574,634,315.51
  5. Step 5: Solve for x
    x = 589,574,634,315.51/836,918.89
  6. Step 6: Final answer
    x = 704,458.51

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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.