Home / 842,852.90-1,163,041.52-498,699.38

Finding the Fourth Proportional to 842,852.90, 1,163,041.52 and 498,699.38

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Solution

The fourth proportional to 842,852.90, 1,163,041.52 and 498,699.38 is: 688,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,852.90 : 1,163,041.52 = 498,699.38 : x
  2. Step 2: Convert to fraction form
    842,852.90/1,163,041.52 = 498,699.38/x
  3. Step 3: Cross multiply
    842,852.90x = 1,163,041.52 × 498,699.38
  4. Step 4: Simplify right side
    842,852.90x = 580,008,084,938.26
  5. Step 5: Solve for x
    x = 580,008,084,938.26/842,852.90
  6. Step 6: Final answer
    x = 688,148.65

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1.5x scale

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.