Home / 877,315.60-1,314,223.80-456,828.40

Finding the Fourth Proportional to 877,315.60, 1,314,223.80 and 456,828.40

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Solution

The fourth proportional to 877,315.60, 1,314,223.80 and 456,828.40 is: 684,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,315.60 : 1,314,223.80 = 456,828.40 : x
  2. Step 2: Convert to fraction form
    877,315.60/1,314,223.80 = 456,828.40/x
  3. Step 3: Cross multiply
    877,315.60x = 1,314,223.80 × 456,828.40
  4. Step 4: Simplify right side
    877,315.60x = 600,374,755,795.92
  5. Step 5: Solve for x
    x = 600,374,755,795.92/877,315.60
  6. Step 6: Final answer
    x = 684,331.56

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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.