Home / 914,482.40-1,372,574.72-465,539.36

Finding the Fourth Proportional to 914,482.40, 1,372,574.72 and 465,539.36

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Solution

The fourth proportional to 914,482.40, 1,372,574.72 and 465,539.36 is: 698,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,482.40 : 1,372,574.72 = 465,539.36 : x
  2. Step 2: Convert to fraction form
    914,482.40/1,372,574.72 = 465,539.36/x
  3. Step 3: Cross multiply
    914,482.40x = 1,372,574.72 × 465,539.36
  4. Step 4: Simplify right side
    914,482.40x = 638,987,547,510.41
  5. Step 5: Solve for x
    x = 638,987,547,510.41/914,482.40
  6. Step 6: Final answer
    x = 698,742.32

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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.