Home / 438,740.15-604,875.90-348,395.18

Finding the Fourth Proportional to 438,740.15, 604,875.90 and 348,395.18

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Solution

The fourth proportional to 438,740.15, 604,875.90 and 348,395.18 is: 480,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,740.15 : 604,875.90 = 348,395.18 : x
  2. Step 2: Convert to fraction form
    438,740.15/604,875.90 = 348,395.18/x
  3. Step 3: Cross multiply
    438,740.15x = 604,875.90 × 348,395.18
  4. Step 4: Simplify right side
    438,740.15x = 210,735,846,340.26
  5. Step 5: Solve for x
    x = 210,735,846,340.26/438,740.15
  6. Step 6: Final answer
    x = 480,320.41

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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.