Home / 549,931.55-758,935.31-308,291.81

Finding the Fourth Proportional to 549,931.55, 758,935.31 and 308,291.81

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Solution

The fourth proportional to 549,931.55, 758,935.31 and 308,291.81 is: 425,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,931.55 : 758,935.31 = 308,291.81 : x
  2. Step 2: Convert to fraction form
    549,931.55/758,935.31 = 308,291.81/x
  3. Step 3: Cross multiply
    549,931.55x = 758,935.31 × 308,291.81
  4. Step 4: Simplify right side
    549,931.55x = 233,973,535,056.68
  5. Step 5: Solve for x
    x = 233,973,535,056.68/549,931.55
  6. Step 6: Final answer
    x = 425,459.38

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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.