Home / 770,011.40-1,153,272.96-370,938.57

Finding the Fourth Proportional to 770,011.40, 1,153,272.96 and 370,938.57

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Solution

The fourth proportional to 770,011.40, 1,153,272.96 and 370,938.57 is: 555,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,011.40 : 1,153,272.96 = 370,938.57 : x
  2. Step 2: Convert to fraction form
    770,011.40/1,153,272.96 = 370,938.57/x
  3. Step 3: Cross multiply
    770,011.40x = 1,153,272.96 × 370,938.57
  4. Step 4: Simplify right side
    770,011.40x = 427,793,422,602.07
  5. Step 5: Solve for x
    x = 427,793,422,602.07/770,011.40
  6. Step 6: Final answer
    x = 555,567.65

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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.