Home / 992,328.60-1,486,851.30-570,869.40

Finding the Fourth Proportional to 992,328.60, 1,486,851.30 and 570,869.40

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Solution

The fourth proportional to 992,328.60, 1,486,851.30 and 570,869.40 is: 855,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,328.60 : 1,486,851.30 = 570,869.40 : x
  2. Step 2: Convert to fraction form
    992,328.60/1,486,851.30 = 570,869.40/x
  3. Step 3: Cross multiply
    992,328.60x = 1,486,851.30 × 570,869.40
  4. Step 4: Simplify right side
    992,328.60x = 848,797,909,520.22
  5. Step 5: Solve for x
    x = 848,797,909,520.22/992,328.60
  6. Step 6: Final answer
    x = 855,359.72

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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.