Home / 909,127.30-1,364,023.48-423,041.27

Finding the Fourth Proportional to 909,127.30, 1,364,023.48 and 423,041.27

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Solution

The fourth proportional to 909,127.30, 1,364,023.48 and 423,041.27 is: 634,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,127.30 : 1,364,023.48 = 423,041.27 : x
  2. Step 2: Convert to fraction form
    909,127.30/1,364,023.48 = 423,041.27/x
  3. Step 3: Cross multiply
    909,127.30x = 1,364,023.48 × 423,041.27
  4. Step 4: Simplify right side
    909,127.30x = 577,038,223,173.81
  5. Step 5: Solve for x
    x = 577,038,223,173.81/909,127.30
  6. Step 6: Final answer
    x = 634,716.64

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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.