Home / 855,703.34-1,180,825.65-468,444.57

Finding the Fourth Proportional to 855,703.34, 1,180,825.65 and 468,444.57

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Solution

The fourth proportional to 855,703.34, 1,180,825.65 and 468,444.57 is: 646,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,703.34 : 1,180,825.65 = 468,444.57 : x
  2. Step 2: Convert to fraction form
    855,703.34/1,180,825.65 = 468,444.57/x
  3. Step 3: Cross multiply
    855,703.34x = 1,180,825.65 × 468,444.57
  4. Step 4: Simplify right side
    855,703.34x = 553,151,363,859.22
  5. Step 5: Solve for x
    x = 553,151,363,859.22/855,703.34
  6. Step 6: Final answer
    x = 646,428.90

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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.