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Finding the Fourth Proportional to 523,875.15, 723,007.65 and 291,325.29

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Solution

The fourth proportional to 523,875.15, 723,007.65 and 291,325.29 is: 402,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,875.15 : 723,007.65 = 291,325.29 : x
  2. Step 2: Convert to fraction form
    523,875.15/723,007.65 = 291,325.29/x
  3. Step 3: Cross multiply
    523,875.15x = 723,007.65 × 291,325.29
  4. Step 4: Simplify right side
    523,875.15x = 210,630,413,308.47
  5. Step 5: Solve for x
    x = 210,630,413,308.47/523,875.15
  6. Step 6: Final answer
    x = 402,062.23

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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.