Home / 818,437.80-1,227,875.40-730,301.70

Finding the Fourth Proportional to 818,437.80, 1,227,875.40 and 730,301.70

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Solution

The fourth proportional to 818,437.80, 1,227,875.40 and 730,301.70 is: 1,095,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,437.80 : 1,227,875.40 = 730,301.70 : x
  2. Step 2: Convert to fraction form
    818,437.80/1,227,875.40 = 730,301.70/x
  3. Step 3: Cross multiply
    818,437.80x = 1,227,875.40 × 730,301.70
  4. Step 4: Simplify right side
    818,437.80x = 896,719,492,008.18
  5. Step 5: Solve for x
    x = 896,719,492,008.18/818,437.80
  6. Step 6: Final answer
    x = 1,095,647.70

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1.5x scale

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.