Home / 803,973.60-1,204,210.80-520,538.40

Finding the Fourth Proportional to 803,973.60, 1,204,210.80 and 520,538.40

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Solution

The fourth proportional to 803,973.60, 1,204,210.80 and 520,538.40 is: 779,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,973.60 : 1,204,210.80 = 520,538.40 : x
  2. Step 2: Convert to fraction form
    803,973.60/1,204,210.80 = 520,538.40/x
  3. Step 3: Cross multiply
    803,973.60x = 1,204,210.80 × 520,538.40
  4. Step 4: Simplify right side
    803,973.60x = 626,837,963,094.72
  5. Step 5: Solve for x
    x = 626,837,963,094.72/803,973.60
  6. Step 6: Final answer
    x = 779,674.81

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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.