Home / 723,041.86-997,857.48-400,853.02

Finding the Fourth Proportional to 723,041.86, 997,857.48 and 400,853.02

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Solution

The fourth proportional to 723,041.86, 997,857.48 and 400,853.02 is: 553,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,041.86 : 997,857.48 = 400,853.02 : x
  2. Step 2: Convert to fraction form
    723,041.86/997,857.48 = 400,853.02/x
  3. Step 3: Cross multiply
    723,041.86x = 997,857.48 × 400,853.02
  4. Step 4: Simplify right side
    723,041.86x = 399,994,184,387.59
  5. Step 5: Solve for x
    x = 399,994,184,387.59/723,041.86
  6. Step 6: Final answer
    x = 553,210.27

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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.