Home / 434,428.20-651,642.30-364,444.20

Finding the Fourth Proportional to 434,428.20, 651,642.30 and 364,444.20

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Solution

The fourth proportional to 434,428.20, 651,642.30 and 364,444.20 is: 546,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,428.20 : 651,642.30 = 364,444.20 : x
  2. Step 2: Convert to fraction form
    434,428.20/651,642.30 = 364,444.20/x
  3. Step 3: Cross multiply
    434,428.20x = 651,642.30 × 364,444.20
  4. Step 4: Simplify right side
    434,428.20x = 237,487,256,709.66
  5. Step 5: Solve for x
    x = 237,487,256,709.66/434,428.20
  6. Step 6: Final answer
    x = 546,666.30

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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.