Home / 988,627.89-1,364,221.60-575,241.15

Finding the Fourth Proportional to 988,627.89, 1,364,221.60 and 575,241.15

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Solution

The fourth proportional to 988,627.89, 1,364,221.60 and 575,241.15 is: 793,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,627.89 : 1,364,221.60 = 575,241.15 : x
  2. Step 2: Convert to fraction form
    988,627.89/1,364,221.60 = 575,241.15/x
  3. Step 3: Cross multiply
    988,627.89x = 1,364,221.60 × 575,241.15
  4. Step 4: Simplify right side
    988,627.89x = 784,756,402,038.84
  5. Step 5: Solve for x
    x = 784,756,402,038.84/988,627.89
  6. Step 6: Final answer
    x = 793,783.39

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1.5x scale

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.