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Finding the Fourth Proportional to 648,030.60, 973,212.30 and 470,737.80

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Solution

The fourth proportional to 648,030.60, 973,212.30 and 470,737.80 is: 706,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,030.60 : 973,212.30 = 470,737.80 : x
  2. Step 2: Convert to fraction form
    648,030.60/973,212.30 = 470,737.80/x
  3. Step 3: Cross multiply
    648,030.60x = 973,212.30 × 470,737.80
  4. Step 4: Simplify right side
    648,030.60x = 458,127,817,034.94
  5. Step 5: Solve for x
    x = 458,127,817,034.94/648,030.60
  6. Step 6: Final answer
    x = 706,953.99

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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.