Home / 746,153.83-1,029,588.33-419,420.53

Finding the Fourth Proportional to 746,153.83, 1,029,588.33 and 419,420.53

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Solution

The fourth proportional to 746,153.83, 1,029,588.33 and 419,420.53 is: 578,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,153.83 : 1,029,588.33 = 419,420.53 : x
  2. Step 2: Convert to fraction form
    746,153.83/1,029,588.33 = 419,420.53/x
  3. Step 3: Cross multiply
    746,153.83x = 1,029,588.33 × 419,420.53
  4. Step 4: Simplify right side
    746,153.83x = 431,830,483,050.42
  5. Step 5: Solve for x
    x = 431,830,483,050.42/746,153.83
  6. Step 6: Final answer
    x = 578,741.90

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1.5x scale

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.