Home / 500,070.14-690,091.40-270,622.35

Finding the Fourth Proportional to 500,070.14, 690,091.40 and 270,622.35

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Solution

The fourth proportional to 500,070.14, 690,091.40 and 270,622.35 is: 373,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,070.14 : 690,091.40 = 270,622.35 : x
  2. Step 2: Convert to fraction form
    500,070.14/690,091.40 = 270,622.35/x
  3. Step 3: Cross multiply
    500,070.14x = 690,091.40 × 270,622.35
  4. Step 4: Simplify right side
    500,070.14x = 186,754,157,059.35
  5. Step 5: Solve for x
    x = 186,754,157,059.35/500,070.14
  6. Step 6: Final answer
    x = 373,455.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.