Home / 552,931.20-828,740.70-286,554.60

Finding the Fourth Proportional to 552,931.20, 828,740.70 and 286,554.60

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Solution

The fourth proportional to 552,931.20, 828,740.70 and 286,554.60 is: 429,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,931.20 : 828,740.70 = 286,554.60 : x
  2. Step 2: Convert to fraction form
    552,931.20/828,740.70 = 286,554.60/x
  3. Step 3: Cross multiply
    552,931.20x = 828,740.70 × 286,554.60
  4. Step 4: Simplify right side
    552,931.20x = 237,479,459,792.22
  5. Step 5: Solve for x
    x = 237,479,459,792.22/552,931.20
  6. Step 6: Final answer
    x = 429,491.88

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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.