Home / 918,095.16-1,376,578.98-318,798.84

Finding the Fourth Proportional to 918,095.16, 1,376,578.98 and 318,798.84

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Solution

The fourth proportional to 918,095.16, 1,376,578.98 and 318,798.84 is: 478,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,095.16 : 1,376,578.98 = 318,798.84 : x
  2. Step 2: Convert to fraction form
    918,095.16/1,376,578.98 = 318,798.84/x
  3. Step 3: Cross multiply
    918,095.16x = 1,376,578.98 × 318,798.84
  4. Step 4: Simplify right side
    918,095.16x = 438,851,781,992.38
  5. Step 5: Solve for x
    x = 438,851,781,992.38/918,095.16
  6. Step 6: Final answer
    x = 478,002.50

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1.5x scale

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.