Home / 847,848.60-1,170,030.72-465,900

Finding the Fourth Proportional to 847,848.60, 1,170,030.72 and 465,900

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Solution

The fourth proportional to 847,848.60, 1,170,030.72 and 465,900 is: 642,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,848.60 : 1,170,030.72 = 465,900 : x
  2. Step 2: Convert to fraction form
    847,848.60/1,170,030.72 = 465,900/x
  3. Step 3: Cross multiply
    847,848.60x = 1,170,030.72 × 465,900
  4. Step 4: Simplify right side
    847,848.60x = 545,117,312,448
  5. Step 5: Solve for x
    x = 545,117,312,448/847,848.60
  6. Step 6: Final answer
    x = 642,941.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.