Home / 909,465.60-1,255,156.08-578,550.96

Finding the Fourth Proportional to 909,465.60, 1,255,156.08 and 578,550.96

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Solution

The fourth proportional to 909,465.60, 1,255,156.08 and 578,550.96 is: 798,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,465.60 : 1,255,156.08 = 578,550.96 : x
  2. Step 2: Convert to fraction form
    909,465.60/1,255,156.08 = 578,550.96/x
  3. Step 3: Cross multiply
    909,465.60x = 1,255,156.08 × 578,550.96
  4. Step 4: Simplify right side
    909,465.60x = 726,171,755,033.84
  5. Step 5: Solve for x
    x = 726,171,755,033.84/909,465.60
  6. Step 6: Final answer
    x = 798,459.84

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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.