Home / 886,829.15-1,223,824.17-478,931.02

Finding the Fourth Proportional to 886,829.15, 1,223,824.17 and 478,931.02

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Solution

The fourth proportional to 886,829.15, 1,223,824.17 and 478,931.02 is: 660,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,829.15 : 1,223,824.17 = 478,931.02 : x
  2. Step 2: Convert to fraction form
    886,829.15/1,223,824.17 = 478,931.02/x
  3. Step 3: Cross multiply
    886,829.15x = 1,223,824.17 × 478,931.02
  4. Step 4: Simplify right side
    886,829.15x = 586,127,358,038.75
  5. Step 5: Solve for x
    x = 586,127,358,038.75/886,829.15
  6. Step 6: Final answer
    x = 660,924.78

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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.