Home / 803,303.29-1,108,569.85-440,720.56

Finding the Fourth Proportional to 803,303.29, 1,108,569.85 and 440,720.56

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Solution

The fourth proportional to 803,303.29, 1,108,569.85 and 440,720.56 is: 608,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,303.29 : 1,108,569.85 = 440,720.56 : x
  2. Step 2: Convert to fraction form
    803,303.29/1,108,569.85 = 440,720.56/x
  3. Step 3: Cross multiply
    803,303.29x = 1,108,569.85 × 440,720.56
  4. Step 4: Simplify right side
    803,303.29x = 488,569,521,217.89
  5. Step 5: Solve for x
    x = 488,569,521,217.89/803,303.29
  6. Step 6: Final answer
    x = 608,200.57

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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.