Home / 704,224.08-971,739.90-417,688.20

Finding the Fourth Proportional to 704,224.08, 971,739.90 and 417,688.20

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Solution

The fourth proportional to 704,224.08, 971,739.90 and 417,688.20 is: 576,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,224.08 : 971,739.90 = 417,688.20 : x
  2. Step 2: Convert to fraction form
    704,224.08/971,739.90 = 417,688.20/x
  3. Step 3: Cross multiply
    704,224.08x = 971,739.90 × 417,688.20
  4. Step 4: Simplify right side
    704,224.08x = 405,884,289,699.18
  5. Step 5: Solve for x
    x = 405,884,289,699.18/704,224.08
  6. Step 6: Final answer
    x = 576,356.73

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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.