Home / 877,313.90-1,314,986.70-498,416.15

Finding the Fourth Proportional to 877,313.90, 1,314,986.70 and 498,416.15

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Solution

The fourth proportional to 877,313.90, 1,314,986.70 and 498,416.15 is: 747,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,313.90 : 1,314,986.70 = 498,416.15 : x
  2. Step 2: Convert to fraction form
    877,313.90/1,314,986.70 = 498,416.15/x
  3. Step 3: Cross multiply
    877,313.90x = 1,314,986.70 × 498,416.15
  4. Step 4: Simplify right side
    877,313.90x = 655,410,608,315.21
  5. Step 5: Solve for x
    x = 655,410,608,315.21/877,313.90
  6. Step 6: Final answer
    x = 747,065.11

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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.