Home / 730,476.40-1,008,038.07-408,189.16

Finding the Fourth Proportional to 730,476.40, 1,008,038.07 and 408,189.16

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Solution

The fourth proportional to 730,476.40, 1,008,038.07 and 408,189.16 is: 563,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,476.40 : 1,008,038.07 = 408,189.16 : x
  2. Step 2: Convert to fraction form
    730,476.40/1,008,038.07 = 408,189.16/x
  3. Step 3: Cross multiply
    730,476.40x = 1,008,038.07 × 408,189.16
  4. Step 4: Simplify right side
    730,476.40x = 411,470,213,041.32
  5. Step 5: Solve for x
    x = 411,470,213,041.32/730,476.40
  6. Step 6: Final answer
    x = 563,290.22

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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.