Home / 877,800.77-1,316,438.71-456,847.01

Finding the Fourth Proportional to 877,800.77, 1,316,438.71 and 456,847.01

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Solution

The fourth proportional to 877,800.77, 1,316,438.71 and 456,847.01 is: 685,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,800.77 : 1,316,438.71 = 456,847.01 : x
  2. Step 2: Convert to fraction form
    877,800.77/1,316,438.71 = 456,847.01/x
  3. Step 3: Cross multiply
    877,800.77x = 1,316,438.71 × 456,847.01
  4. Step 4: Simplify right side
    877,800.77x = 601,411,079,645.33
  5. Step 5: Solve for x
    x = 601,411,079,645.33/877,800.77
  6. Step 6: Final answer
    x = 685,133.92

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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.