Home / 786,779.20-1,180,552.80-365,838.40

Finding the Fourth Proportional to 786,779.20, 1,180,552.80 and 365,838.40

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Solution

The fourth proportional to 786,779.20, 1,180,552.80 and 365,838.40 is: 548,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,779.20 : 1,180,552.80 = 365,838.40 : x
  2. Step 2: Convert to fraction form
    786,779.20/1,180,552.80 = 365,838.40/x
  3. Step 3: Cross multiply
    786,779.20x = 1,180,552.80 × 365,838.40
  4. Step 4: Simplify right side
    786,779.20x = 431,891,547,467.52
  5. Step 5: Solve for x
    x = 431,891,547,467.52/786,779.20
  6. Step 6: Final answer
    x = 548,936.15

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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.