Home / 713,430.10-1,070,663.55-293,007.70

Finding the Fourth Proportional to 713,430.10, 1,070,663.55 and 293,007.70

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Solution

The fourth proportional to 713,430.10, 1,070,663.55 and 293,007.70 is: 439,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,430.10 : 1,070,663.55 = 293,007.70 : x
  2. Step 2: Convert to fraction form
    713,430.10/1,070,663.55 = 293,007.70/x
  3. Step 3: Cross multiply
    713,430.10x = 1,070,663.55 × 293,007.70
  4. Step 4: Simplify right side
    713,430.10x = 313,712,664,259.34
  5. Step 5: Solve for x
    x = 313,712,664,259.34/713,430.10
  6. Step 6: Final answer
    x = 439,724.46

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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.