Home / 907,107.81-1,360,898.98-338,493.89

Finding the Fourth Proportional to 907,107.81, 1,360,898.98 and 338,493.89

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Solution

The fourth proportional to 907,107.81, 1,360,898.98 and 338,493.89 is: 507,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,107.81 : 1,360,898.98 = 338,493.89 : x
  2. Step 2: Convert to fraction form
    907,107.81/1,360,898.98 = 338,493.89/x
  3. Step 3: Cross multiply
    907,107.81x = 1,360,898.98 × 338,493.89
  4. Step 4: Simplify right side
    907,107.81x = 460,655,981,986.50
  5. Step 5: Solve for x
    x = 460,655,981,986.50/907,107.81
  6. Step 6: Final answer
    x = 507,829.36

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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.