Home / 1,141,710.99-1,712,430.40-300,328.35

Finding the Fourth Proportional to 1,141,710.99, 1,712,430.40 and 300,328.35

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Solution

The fourth proportional to 1,141,710.99, 1,712,430.40 and 300,328.35 is: 450,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,710.99 : 1,712,430.40 = 300,328.35 : x
  2. Step 2: Convert to fraction form
    1,141,710.99/1,712,430.40 = 300,328.35/x
  3. Step 3: Cross multiply
    1,141,710.99x = 1,712,430.40 × 300,328.35
  4. Step 4: Simplify right side
    1,141,710.99x = 514,291,396,521.84
  5. Step 5: Solve for x
    x = 514,291,396,521.84/1,141,710.99
  6. Step 6: Final answer
    x = 450,456.73

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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.