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Finding the Fourth Proportional to 550,421.73, 759,259.39 and 346,148.64

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Solution

The fourth proportional to 550,421.73, 759,259.39 and 346,148.64 is: 477,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,421.73 : 759,259.39 = 346,148.64 : x
  2. Step 2: Convert to fraction form
    550,421.73/759,259.39 = 346,148.64/x
  3. Step 3: Cross multiply
    550,421.73x = 759,259.39 × 346,148.64
  4. Step 4: Simplify right side
    550,421.73x = 262,816,605,255.73
  5. Step 5: Solve for x
    x = 262,816,605,255.73/550,421.73
  6. Step 6: Final answer
    x = 477,482.25

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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.