Home / 762,384.15-1,143,681.93-257,089.95

Finding the Fourth Proportional to 762,384.15, 1,143,681.93 and 257,089.95

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Solution

The fourth proportional to 762,384.15, 1,143,681.93 and 257,089.95 is: 385,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,384.15 : 1,143,681.93 = 257,089.95 : x
  2. Step 2: Convert to fraction form
    762,384.15/1,143,681.93 = 257,089.95/x
  3. Step 3: Cross multiply
    762,384.15x = 1,143,681.93 × 257,089.95
  4. Step 4: Simplify right side
    762,384.15x = 294,029,130,199.60
  5. Step 5: Solve for x
    x = 294,029,130,199.60/762,384.15
  6. Step 6: Final answer
    x = 385,670.57

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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.