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Finding the Fourth Proportional to 540,559.02, 745,992.45 and 358,957.80

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Solution

The fourth proportional to 540,559.02, 745,992.45 and 358,957.80 is: 495,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,559.02 : 745,992.45 = 358,957.80 : x
  2. Step 2: Convert to fraction form
    540,559.02/745,992.45 = 358,957.80/x
  3. Step 3: Cross multiply
    540,559.02x = 745,992.45 × 358,957.80
  4. Step 4: Simplify right side
    540,559.02x = 267,779,808,668.61
  5. Step 5: Solve for x
    x = 267,779,808,668.61/540,559.02
  6. Step 6: Final answer
    x = 495,375.71

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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.