Home / 459,385.16-634,145.94-430,688.84

Finding the Fourth Proportional to 459,385.16, 634,145.94 and 430,688.84

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Solution

The fourth proportional to 459,385.16, 634,145.94 and 430,688.84 is: 594,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,385.16 : 634,145.94 = 430,688.84 : x
  2. Step 2: Convert to fraction form
    459,385.16/634,145.94 = 430,688.84/x
  3. Step 3: Cross multiply
    459,385.16x = 634,145.94 × 430,688.84
  4. Step 4: Simplify right side
    459,385.16x = 273,119,579,289.31
  5. Step 5: Solve for x
    x = 273,119,579,289.31/459,385.16
  6. Step 6: Final answer
    x = 594,532.87

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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.