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Finding the Fourth Proportional to 528,002.70, 790,254.45 and 370,538.70

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Solution

The fourth proportional to 528,002.70, 790,254.45 and 370,538.70 is: 554,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,002.70 : 790,254.45 = 370,538.70 : x
  2. Step 2: Convert to fraction form
    528,002.70/790,254.45 = 370,538.70/x
  3. Step 3: Cross multiply
    528,002.70x = 790,254.45 × 370,538.70
  4. Step 4: Simplify right side
    528,002.70x = 292,819,856,572.22
  5. Step 5: Solve for x
    x = 292,819,856,572.22/528,002.70
  6. Step 6: Final answer
    x = 554,580.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.