Home / 549,848.40-824,772.60-425,278.80

Finding the Fourth Proportional to 549,848.40, 824,772.60 and 425,278.80

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Solution

The fourth proportional to 549,848.40, 824,772.60 and 425,278.80 is: 637,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,848.40 : 824,772.60 = 425,278.80 : x
  2. Step 2: Convert to fraction form
    549,848.40/824,772.60 = 425,278.80/x
  3. Step 3: Cross multiply
    549,848.40x = 824,772.60 × 425,278.80
  4. Step 4: Simplify right side
    549,848.40x = 350,758,301,600.88
  5. Step 5: Solve for x
    x = 350,758,301,600.88/549,848.40
  6. Step 6: Final answer
    x = 637,918.20

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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.