Home / 549,208.47-822,325.93-388,624.35

Finding the Fourth Proportional to 549,208.47, 822,325.93 and 388,624.35

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Solution

The fourth proportional to 549,208.47, 822,325.93 and 388,624.35 is: 581,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,208.47 : 822,325.93 = 388,624.35 : x
  2. Step 2: Convert to fraction form
    549,208.47/822,325.93 = 388,624.35/x
  3. Step 3: Cross multiply
    549,208.47x = 822,325.93 × 388,624.35
  4. Step 4: Simplify right side
    549,208.47x = 319,575,880,034.40
  5. Step 5: Solve for x
    x = 319,575,880,034.40/549,208.47
  6. Step 6: Final answer
    x = 581,884.47

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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.