Home / 886,869.30-1,330,303.95-325,830.90

Finding the Fourth Proportional to 886,869.30, 1,330,303.95 and 325,830.90

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Solution

The fourth proportional to 886,869.30, 1,330,303.95 and 325,830.90 is: 488,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,869.30 : 1,330,303.95 = 325,830.90 : x
  2. Step 2: Convert to fraction form
    886,869.30/1,330,303.95 = 325,830.90/x
  3. Step 3: Cross multiply
    886,869.30x = 1,330,303.95 × 325,830.90
  4. Step 4: Simplify right side
    886,869.30x = 433,454,133,302.06
  5. Step 5: Solve for x
    x = 433,454,133,302.06/886,869.30
  6. Step 6: Final answer
    x = 488,746.35

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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.