Home / 436,430.04-602,297.28-245,454.72

Finding the Fourth Proportional to 436,430.04, 602,297.28 and 245,454.72

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Solution

The fourth proportional to 436,430.04, 602,297.28 and 245,454.72 is: 338,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,430.04 : 602,297.28 = 245,454.72 : x
  2. Step 2: Convert to fraction form
    436,430.04/602,297.28 = 245,454.72/x
  3. Step 3: Cross multiply
    436,430.04x = 602,297.28 × 245,454.72
  4. Step 4: Simplify right side
    436,430.04x = 147,836,710,219.16
  5. Step 5: Solve for x
    x = 147,836,710,219.16/436,430.04
  6. Step 6: Final answer
    x = 338,740.91

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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.