Home / 549,619.20-824,428.80-456,307.20

Finding the Fourth Proportional to 549,619.20, 824,428.80 and 456,307.20

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Solution

The fourth proportional to 549,619.20, 824,428.80 and 456,307.20 is: 684,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,619.20 : 824,428.80 = 456,307.20 : x
  2. Step 2: Convert to fraction form
    549,619.20/824,428.80 = 456,307.20/x
  3. Step 3: Cross multiply
    549,619.20x = 824,428.80 × 456,307.20
  4. Step 4: Simplify right side
    549,619.20x = 376,192,797,327.36
  5. Step 5: Solve for x
    x = 376,192,797,327.36/549,619.20
  6. Step 6: Final answer
    x = 684,460.80

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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.