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Finding the Fourth Proportional to 574,148.08, 792,312.59 and 359,406.55

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Solution

The fourth proportional to 574,148.08, 792,312.59 and 359,406.55 is: 495,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,148.08 : 792,312.59 = 359,406.55 : x
  2. Step 2: Convert to fraction form
    574,148.08/792,312.59 = 359,406.55/x
  3. Step 3: Cross multiply
    574,148.08x = 792,312.59 × 359,406.55
  4. Step 4: Simplify right side
    574,148.08x = 284,762,334,360.71
  5. Step 5: Solve for x
    x = 284,762,334,360.71/574,148.08
  6. Step 6: Final answer
    x = 495,973.68

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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.