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Finding the Fourth Proportional to 570,281.91, 786,935.61 and 340,793.51

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Solution

The fourth proportional to 570,281.91, 786,935.61 and 340,793.51 is: 470,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,281.91 : 786,935.61 = 340,793.51 : x
  2. Step 2: Convert to fraction form
    570,281.91/786,935.61 = 340,793.51/x
  3. Step 3: Cross multiply
    570,281.91x = 786,935.61 × 340,793.51
  4. Step 4: Simplify right side
    570,281.91x = 268,182,544,741.21
  5. Step 5: Solve for x
    x = 268,182,544,741.21/570,281.91
  6. Step 6: Final answer
    x = 470,263.11

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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.