Home / 900,890.04-1,242,099.18-578,030.52

Finding the Fourth Proportional to 900,890.04, 1,242,099.18 and 578,030.52

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Solution

The fourth proportional to 900,890.04, 1,242,099.18 and 578,030.52 is: 796,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,890.04 : 1,242,099.18 = 578,030.52 : x
  2. Step 2: Convert to fraction form
    900,890.04/1,242,099.18 = 578,030.52/x
  3. Step 3: Cross multiply
    900,890.04x = 1,242,099.18 × 578,030.52
  4. Step 4: Simplify right side
    900,890.04x = 717,971,234,906.97
  5. Step 5: Solve for x
    x = 717,971,234,906.97/900,890.04
  6. Step 6: Final answer
    x = 796,957.68

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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.