Home / 909,327.36-1,363,844.10-429,554.16

Finding the Fourth Proportional to 909,327.36, 1,363,844.10 and 429,554.16

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Solution

The fourth proportional to 909,327.36, 1,363,844.10 and 429,554.16 is: 644,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,327.36 : 1,363,844.10 = 429,554.16 : x
  2. Step 2: Convert to fraction form
    909,327.36/1,363,844.10 = 429,554.16/x
  3. Step 3: Cross multiply
    909,327.36x = 1,363,844.10 × 429,554.16
  4. Step 4: Simplify right side
    909,327.36x = 585,844,906,746.46
  5. Step 5: Solve for x
    x = 585,844,906,746.46/909,327.36
  6. Step 6: Final answer
    x = 644,261.83

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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.