Home / 549,230.19-758,017.21-307,528.32

Finding the Fourth Proportional to 549,230.19, 758,017.21 and 307,528.32

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Solution

The fourth proportional to 549,230.19, 758,017.21 and 307,528.32 is: 424,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,230.19 : 758,017.21 = 307,528.32 : x
  2. Step 2: Convert to fraction form
    549,230.19/758,017.21 = 307,528.32/x
  3. Step 3: Cross multiply
    549,230.19x = 758,017.21 × 307,528.32
  4. Step 4: Simplify right side
    549,230.19x = 233,111,759,122.39
  5. Step 5: Solve for x
    x = 233,111,759,122.39/549,230.19
  6. Step 6: Final answer
    x = 424,433.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.