Home / 758,855.04-1,047,241.08-419,345.16

Finding the Fourth Proportional to 758,855.04, 1,047,241.08 and 419,345.16

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Solution

The fourth proportional to 758,855.04, 1,047,241.08 and 419,345.16 is: 578,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,855.04 : 1,047,241.08 = 419,345.16 : x
  2. Step 2: Convert to fraction form
    758,855.04/1,047,241.08 = 419,345.16/x
  3. Step 3: Cross multiply
    758,855.04x = 1,047,241.08 × 419,345.16
  4. Step 4: Simplify right side
    758,855.04x = 439,155,478,251.17
  5. Step 5: Solve for x
    x = 439,155,478,251.17/758,855.04
  6. Step 6: Final answer
    x = 578,707.99

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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.