Home / 985,842.40-1,478,763.60-649,263.10

Finding the Fourth Proportional to 985,842.40, 1,478,763.60 and 649,263.10

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Solution

The fourth proportional to 985,842.40, 1,478,763.60 and 649,263.10 is: 973,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,842.40 : 1,478,763.60 = 649,263.10 : x
  2. Step 2: Convert to fraction form
    985,842.40/1,478,763.60 = 649,263.10/x
  3. Step 3: Cross multiply
    985,842.40x = 1,478,763.60 × 649,263.10
  4. Step 4: Simplify right side
    985,842.40x = 960,106,639,103.16
  5. Step 5: Solve for x
    x = 960,106,639,103.16/985,842.40
  6. Step 6: Final answer
    x = 973,894.65

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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.