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Finding the Fourth Proportional to 507,406.83, 699,904.58 and 326,354.91

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Solution

The fourth proportional to 507,406.83, 699,904.58 and 326,354.91 is: 450,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,406.83 : 699,904.58 = 326,354.91 : x
  2. Step 2: Convert to fraction form
    507,406.83/699,904.58 = 326,354.91/x
  3. Step 3: Cross multiply
    507,406.83x = 699,904.58 × 326,354.91
  4. Step 4: Simplify right side
    507,406.83x = 228,417,294,582.71
  5. Step 5: Solve for x
    x = 228,417,294,582.71/507,406.83
  6. Step 6: Final answer
    x = 450,165.98

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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.