Home / 730,088.40-1,007,511.30-407,802.90

Finding the Fourth Proportional to 730,088.40, 1,007,511.30 and 407,802.90

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Solution

The fourth proportional to 730,088.40, 1,007,511.30 and 407,802.90 is: 562,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,088.40 : 1,007,511.30 = 407,802.90 : x
  2. Step 2: Convert to fraction form
    730,088.40/1,007,511.30 = 407,802.90/x
  3. Step 3: Cross multiply
    730,088.40x = 1,007,511.30 × 407,802.90
  4. Step 4: Simplify right side
    730,088.40x = 410,866,029,922.77
  5. Step 5: Solve for x
    x = 410,866,029,922.77/730,088.40
  6. Step 6: Final answer
    x = 562,762.03

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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.