Home / 705,280.04-973,256.56-399,373.16

Finding the Fourth Proportional to 705,280.04, 973,256.56 and 399,373.16

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Solution

The fourth proportional to 705,280.04, 973,256.56 and 399,373.16 is: 551,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,280.04 : 973,256.56 = 399,373.16 : x
  2. Step 2: Convert to fraction form
    705,280.04/973,256.56 = 399,373.16/x
  3. Step 3: Cross multiply
    705,280.04x = 973,256.56 × 399,373.16
  4. Step 4: Simplify right side
    705,280.04x = 388,692,547,857.93
  5. Step 5: Solve for x
    x = 388,692,547,857.93/705,280.04
  6. Step 6: Final answer
    x = 551,118.03

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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.