Home / 855,547.92-1,180,366.92-492,962.40

Finding the Fourth Proportional to 855,547.92, 1,180,366.92 and 492,962.40

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Solution

The fourth proportional to 855,547.92, 1,180,366.92 and 492,962.40 is: 680,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,547.92 : 1,180,366.92 = 492,962.40 : x
  2. Step 2: Convert to fraction form
    855,547.92/1,180,366.92 = 492,962.40/x
  3. Step 3: Cross multiply
    855,547.92x = 1,180,366.92 × 492,962.40
  4. Step 4: Simplify right side
    855,547.92x = 581,876,509,763.81
  5. Step 5: Solve for x
    x = 581,876,509,763.81/855,547.92
  6. Step 6: Final answer
    x = 680,121.47

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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.