Home / 909,870.98-1,365,000.22-270,176.55

Finding the Fourth Proportional to 909,870.98, 1,365,000.22 and 270,176.55

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Solution

The fourth proportional to 909,870.98, 1,365,000.22 and 270,176.55 is: 405,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,870.98 : 1,365,000.22 = 270,176.55 : x
  2. Step 2: Convert to fraction form
    909,870.98/1,365,000.22 = 270,176.55/x
  3. Step 3: Cross multiply
    909,870.98x = 1,365,000.22 × 270,176.55
  4. Step 4: Simplify right side
    909,870.98x = 368,791,050,026.61
  5. Step 5: Solve for x
    x = 368,791,050,026.61/909,870.98
  6. Step 6: Final answer
    x = 405,322.36

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1.5x scale

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.