Home / 877,145.47-1,210,460.56-495,172.24

Finding the Fourth Proportional to 877,145.47, 1,210,460.56 and 495,172.24

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Solution

The fourth proportional to 877,145.47, 1,210,460.56 and 495,172.24 is: 683,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,145.47 : 1,210,460.56 = 495,172.24 : x
  2. Step 2: Convert to fraction form
    877,145.47/1,210,460.56 = 495,172.24/x
  3. Step 3: Cross multiply
    877,145.47x = 1,210,460.56 × 495,172.24
  4. Step 4: Simplify right side
    877,145.47x = 599,386,466,926.85
  5. Step 5: Solve for x
    x = 599,386,466,926.85/877,145.47
  6. Step 6: Final answer
    x = 683,337.58

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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.