Home / 903,743.07-1,355,151.29-477,508.11

Finding the Fourth Proportional to 903,743.07, 1,355,151.29 and 477,508.11

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Solution

The fourth proportional to 903,743.07, 1,355,151.29 and 477,508.11 is: 716,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,743.07 : 1,355,151.29 = 477,508.11 : x
  2. Step 2: Convert to fraction form
    903,743.07/1,355,151.29 = 477,508.11/x
  3. Step 3: Cross multiply
    903,743.07x = 1,355,151.29 × 477,508.11
  4. Step 4: Simplify right side
    903,743.07x = 647,095,728,864.42
  5. Step 5: Solve for x
    x = 647,095,728,864.42/903,743.07
  6. Step 6: Final answer
    x = 716,017.36

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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.