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Finding the Fourth Proportional to 472,681.39, 652,541.12 and 365,009.71

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Solution

The fourth proportional to 472,681.39, 652,541.12 and 365,009.71 is: 503,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,681.39 : 652,541.12 = 365,009.71 : x
  2. Step 2: Convert to fraction form
    472,681.39/652,541.12 = 365,009.71/x
  3. Step 3: Cross multiply
    472,681.39x = 652,541.12 × 365,009.71
  4. Step 4: Simplify right side
    472,681.39x = 238,183,843,149.23
  5. Step 5: Solve for x
    x = 238,183,843,149.23/472,681.39
  6. Step 6: Final answer
    x = 503,899.35

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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.