Home / 849,437.08-1,274,352.68-280,783.67

Finding the Fourth Proportional to 849,437.08, 1,274,352.68 and 280,783.67

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Solution

The fourth proportional to 849,437.08, 1,274,352.68 and 280,783.67 is: 421,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,437.08 : 1,274,352.68 = 280,783.67 : x
  2. Step 2: Convert to fraction form
    849,437.08/1,274,352.68 = 280,783.67/x
  3. Step 3: Cross multiply
    849,437.08x = 1,274,352.68 × 280,783.67
  4. Step 4: Simplify right side
    849,437.08x = 357,817,423,863.17
  5. Step 5: Solve for x
    x = 357,817,423,863.17/849,437.08
  6. Step 6: Final answer
    x = 421,240.64

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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.