Home / 909,686.43-1,364,529.65-510,607.53

Finding the Fourth Proportional to 909,686.43, 1,364,529.65 and 510,607.53

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Solution

The fourth proportional to 909,686.43, 1,364,529.65 and 510,607.53 is: 765,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,686.43 : 1,364,529.65 = 510,607.53 : x
  2. Step 2: Convert to fraction form
    909,686.43/1,364,529.65 = 510,607.53/x
  3. Step 3: Cross multiply
    909,686.43x = 1,364,529.65 × 510,607.53
  4. Step 4: Simplify right side
    909,686.43x = 696,739,111,645.23
  5. Step 5: Solve for x
    x = 696,739,111,645.23/909,686.43
  6. Step 6: Final answer
    x = 765,911.30

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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.