Home / 972,032.80-1,457,881.08-439,429.96

Finding the Fourth Proportional to 972,032.80, 1,457,881.08 and 439,429.96

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Solution

The fourth proportional to 972,032.80, 1,457,881.08 and 439,429.96 is: 659,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,032.80 : 1,457,881.08 = 439,429.96 : x
  2. Step 2: Convert to fraction form
    972,032.80/1,457,881.08 = 439,429.96/x
  3. Step 3: Cross multiply
    972,032.80x = 1,457,881.08 × 439,429.96
  4. Step 4: Simplify right side
    972,032.80x = 640,636,624,669.16
  5. Step 5: Solve for x
    x = 640,636,624,669.16/972,032.80
  6. Step 6: Final answer
    x = 659,068.94

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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.