Home / 877,360.96-1,210,550.63-509,619.58

Finding the Fourth Proportional to 877,360.96, 1,210,550.63 and 509,619.58

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Solution

The fourth proportional to 877,360.96, 1,210,550.63 and 509,619.58 is: 703,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,360.96 : 1,210,550.63 = 509,619.58 : x
  2. Step 2: Convert to fraction form
    877,360.96/1,210,550.63 = 509,619.58/x
  3. Step 3: Cross multiply
    877,360.96x = 1,210,550.63 × 509,619.58
  4. Step 4: Simplify right side
    877,360.96x = 616,920,302,355.29
  5. Step 5: Solve for x
    x = 616,920,302,355.29/877,360.96
  6. Step 6: Final answer
    x = 703,154.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.