Home / 1,023,338.56-1,535,014.32-313,312

Finding the Fourth Proportional to 1,023,338.56, 1,535,014.32 and 313,312

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Solution

The fourth proportional to 1,023,338.56, 1,535,014.32 and 313,312 is: 469,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,338.56 : 1,535,014.32 = 313,312 : x
  2. Step 2: Convert to fraction form
    1,023,338.56/1,535,014.32 = 313,312/x
  3. Step 3: Cross multiply
    1,023,338.56x = 1,535,014.32 × 313,312
  4. Step 4: Simplify right side
    1,023,338.56x = 480,938,406,627.84
  5. Step 5: Solve for x
    x = 480,938,406,627.84/1,023,338.56
  6. Step 6: Final answer
    x = 469,969.98

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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.