Home / 535,479.20-803,458.69-292,400.23

Finding the Fourth Proportional to 535,479.20, 803,458.69 and 292,400.23

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Solution

The fourth proportional to 535,479.20, 803,458.69 and 292,400.23 is: 438,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,479.20 : 803,458.69 = 292,400.23 : x
  2. Step 2: Convert to fraction form
    535,479.20/803,458.69 = 292,400.23/x
  3. Step 3: Cross multiply
    535,479.20x = 803,458.69 × 292,400.23
  4. Step 4: Simplify right side
    535,479.20x = 234,931,506,163.09
  5. Step 5: Solve for x
    x = 234,931,506,163.09/535,479.20
  6. Step 6: Final answer
    x = 438,731.33

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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.