Home / 899,607.87-1,350,080.06-426,294.90

Finding the Fourth Proportional to 899,607.87, 1,350,080.06 and 426,294.90

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Solution

The fourth proportional to 899,607.87, 1,350,080.06 and 426,294.90 is: 639,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,607.87 : 1,350,080.06 = 426,294.90 : x
  2. Step 2: Convert to fraction form
    899,607.87/1,350,080.06 = 426,294.90/x
  3. Step 3: Cross multiply
    899,607.87x = 1,350,080.06 × 426,294.90
  4. Step 4: Simplify right side
    899,607.87x = 575,532,242,038.22
  5. Step 5: Solve for x
    x = 575,532,242,038.22/899,607.87
  6. Step 6: Final answer
    x = 639,759.01

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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.