Home / 989,036.26-1,364,870.04-536,327.62

Finding the Fourth Proportional to 989,036.26, 1,364,870.04 and 536,327.62

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Solution

The fourth proportional to 989,036.26, 1,364,870.04 and 536,327.62 is: 740,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,036.26 : 1,364,870.04 = 536,327.62 : x
  2. Step 2: Convert to fraction form
    989,036.26/1,364,870.04 = 536,327.62/x
  3. Step 3: Cross multiply
    989,036.26x = 1,364,870.04 × 536,327.62
  4. Step 4: Simplify right side
    989,036.26x = 732,017,500,162.51
  5. Step 5: Solve for x
    x = 732,017,500,162.51/989,036.26
  6. Step 6: Final answer
    x = 740,132.12

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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.