Home / 909,070.93-1,254,526.65-501,188.61

Finding the Fourth Proportional to 909,070.93, 1,254,526.65 and 501,188.61

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Solution

The fourth proportional to 909,070.93, 1,254,526.65 and 501,188.61 is: 691,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,070.93 : 1,254,526.65 = 501,188.61 : x
  2. Step 2: Convert to fraction form
    909,070.93/1,254,526.65 = 501,188.61/x
  3. Step 3: Cross multiply
    909,070.93x = 1,254,526.65 × 501,188.61
  4. Step 4: Simplify right side
    909,070.93x = 628,754,472,625.93
  5. Step 5: Solve for x
    x = 628,754,472,625.93/909,070.93
  6. Step 6: Final answer
    x = 691,645.12

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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.