Home / 730,312.89-1,007,813.19-408,025.41

Finding the Fourth Proportional to 730,312.89, 1,007,813.19 and 408,025.41

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Solution

The fourth proportional to 730,312.89, 1,007,813.19 and 408,025.41 is: 563,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,312.89 : 1,007,813.19 = 408,025.41 : x
  2. Step 2: Convert to fraction form
    730,312.89/1,007,813.19 = 408,025.41/x
  3. Step 3: Cross multiply
    730,312.89x = 1,007,813.19 × 408,025.41
  4. Step 4: Simplify right side
    730,312.89x = 411,213,390,053.16
  5. Step 5: Solve for x
    x = 411,213,390,053.16/730,312.89
  6. Step 6: Final answer
    x = 563,064.67

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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.