Home / 650,016.20-972,950.70-509,011.40

Finding the Fourth Proportional to 650,016.20, 972,950.70 and 509,011.40

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Solution

The fourth proportional to 650,016.20, 972,950.70 and 509,011.40 is: 761,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,016.20 : 972,950.70 = 509,011.40 : x
  2. Step 2: Convert to fraction form
    650,016.20/972,950.70 = 509,011.40/x
  3. Step 3: Cross multiply
    650,016.20x = 972,950.70 × 509,011.40
  4. Step 4: Simplify right side
    650,016.20x = 495,242,997,937.98
  5. Step 5: Solve for x
    x = 495,242,997,937.98/650,016.20
  6. Step 6: Final answer
    x = 761,893.32

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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.