Home / 740,538.72-1,020,988.80-604,432.80

Finding the Fourth Proportional to 740,538.72, 1,020,988.80 and 604,432.80

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Solution

The fourth proportional to 740,538.72, 1,020,988.80 and 604,432.80 is: 833,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,538.72 : 1,020,988.80 = 604,432.80 : x
  2. Step 2: Convert to fraction form
    740,538.72/1,020,988.80 = 604,432.80/x
  3. Step 3: Cross multiply
    740,538.72x = 1,020,988.80 × 604,432.80
  4. Step 4: Simplify right side
    740,538.72x = 617,119,119,152.64
  5. Step 5: Solve for x
    x = 617,119,119,152.64/740,538.72
  6. Step 6: Final answer
    x = 833,338.09

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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.