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Finding the Fourth Proportional to 577,501.80, 865,268.55 and 492,864.90

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Solution

The fourth proportional to 577,501.80, 865,268.55 and 492,864.90 is: 738,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,501.80 : 865,268.55 = 492,864.90 : x
  2. Step 2: Convert to fraction form
    577,501.80/865,268.55 = 492,864.90/x
  3. Step 3: Cross multiply
    577,501.80x = 865,268.55 × 492,864.90
  4. Step 4: Simplify right side
    577,501.80x = 426,460,497,368.90
  5. Step 5: Solve for x
    x = 426,460,497,368.90/577,501.80
  6. Step 6: Final answer
    x = 738,457.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.