Home / 651,920.28-977,681.48-450,809.24

Finding the Fourth Proportional to 651,920.28, 977,681.48 and 450,809.24

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Solution

The fourth proportional to 651,920.28, 977,681.48 and 450,809.24 is: 676,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,920.28 : 977,681.48 = 450,809.24 : x
  2. Step 2: Convert to fraction form
    651,920.28/977,681.48 = 450,809.24/x
  3. Step 3: Cross multiply
    651,920.28x = 977,681.48 × 450,809.24
  4. Step 4: Simplify right side
    651,920.28x = 440,747,844,960.88
  5. Step 5: Solve for x
    x = 440,747,844,960.88/651,920.28
  6. Step 6: Final answer
    x = 676,076.29

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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.