Home / 882,030.52-1,217,418.42-500,280.76

Finding the Fourth Proportional to 882,030.52, 1,217,418.42 and 500,280.76

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Solution

The fourth proportional to 882,030.52, 1,217,418.42 and 500,280.76 is: 690,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,030.52 : 1,217,418.42 = 500,280.76 : x
  2. Step 2: Convert to fraction form
    882,030.52/1,217,418.42 = 500,280.76/x
  3. Step 3: Cross multiply
    882,030.52x = 1,217,418.42 × 500,280.76
  4. Step 4: Simplify right side
    882,030.52x = 609,051,012,395.60
  5. Step 5: Solve for x
    x = 609,051,012,395.60/882,030.52
  6. Step 6: Final answer
    x = 690,510.13

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1.5x scale

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.