Home / 956,931.71-1,320,756.98-549,309.11

Finding the Fourth Proportional to 956,931.71, 1,320,756.98 and 549,309.11

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Solution

The fourth proportional to 956,931.71, 1,320,756.98 and 549,309.11 is: 758,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,931.71 : 1,320,756.98 = 549,309.11 : x
  2. Step 2: Convert to fraction form
    956,931.71/1,320,756.98 = 549,309.11/x
  3. Step 3: Cross multiply
    956,931.71x = 1,320,756.98 × 549,309.11
  4. Step 4: Simplify right side
    956,931.71x = 725,503,831,859.76
  5. Step 5: Solve for x
    x = 725,503,831,859.76/956,931.71
  6. Step 6: Final answer
    x = 758,156.33

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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.