Home / 913,038.48-1,369,688.94-282,001.50

Finding the Fourth Proportional to 913,038.48, 1,369,688.94 and 282,001.50

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Solution

The fourth proportional to 913,038.48, 1,369,688.94 and 282,001.50 is: 423,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,038.48 : 1,369,688.94 = 282,001.50 : x
  2. Step 2: Convert to fraction form
    913,038.48/1,369,688.94 = 282,001.50/x
  3. Step 3: Cross multiply
    913,038.48x = 1,369,688.94 × 282,001.50
  4. Step 4: Simplify right side
    913,038.48x = 386,254,335,613.41
  5. Step 5: Solve for x
    x = 386,254,335,613.41/913,038.48
  6. Step 6: Final answer
    x = 423,042.78

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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.