Home / 770,858.16-1,155,622.72-297,875.40

Finding the Fourth Proportional to 770,858.16, 1,155,622.72 and 297,875.40

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Solution

The fourth proportional to 770,858.16, 1,155,622.72 and 297,875.40 is: 446,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,858.16 : 1,155,622.72 = 297,875.40 : x
  2. Step 2: Convert to fraction form
    770,858.16/1,155,622.72 = 297,875.40/x
  3. Step 3: Cross multiply
    770,858.16x = 1,155,622.72 × 297,875.40
  4. Step 4: Simplify right side
    770,858.16x = 344,231,579,969.09
  5. Step 5: Solve for x
    x = 344,231,579,969.09/770,858.16
  6. Step 6: Final answer
    x = 446,556.32

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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.