Home / 1,038,309.04-1,557,655.80-328,515.76

Finding the Fourth Proportional to 1,038,309.04, 1,557,655.80 and 328,515.76

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Solution

The fourth proportional to 1,038,309.04, 1,557,655.80 and 328,515.76 is: 492,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,309.04 : 1,557,655.80 = 328,515.76 : x
  2. Step 2: Convert to fraction form
    1,038,309.04/1,557,655.80 = 328,515.76/x
  3. Step 3: Cross multiply
    1,038,309.04x = 1,557,655.80 × 328,515.76
  4. Step 4: Simplify right side
    1,038,309.04x = 511,714,478,955.41
  5. Step 5: Solve for x
    x = 511,714,478,955.41/1,038,309.04
  6. Step 6: Final answer
    x = 492,834.46

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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.