Home / 824,356.85-1,238,429.76-585,064.87

Finding the Fourth Proportional to 824,356.85, 1,238,429.76 and 585,064.87

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Solution

The fourth proportional to 824,356.85, 1,238,429.76 and 585,064.87 is: 878,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,356.85 : 1,238,429.76 = 585,064.87 : x
  2. Step 2: Convert to fraction form
    824,356.85/1,238,429.76 = 585,064.87/x
  3. Step 3: Cross multiply
    824,356.85x = 1,238,429.76 × 585,064.87
  4. Step 4: Simplify right side
    824,356.85x = 724,561,748,214.63
  5. Step 5: Solve for x
    x = 724,561,748,214.63/824,356.85
  6. Step 6: Final answer
    x = 878,941.87

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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.