Home / 916,687.04-1,265,018.52-508,792.40

Finding the Fourth Proportional to 916,687.04, 1,265,018.52 and 508,792.40

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Solution

The fourth proportional to 916,687.04, 1,265,018.52 and 508,792.40 is: 702,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,687.04 : 1,265,018.52 = 508,792.40 : x
  2. Step 2: Convert to fraction form
    916,687.04/1,265,018.52 = 508,792.40/x
  3. Step 3: Cross multiply
    916,687.04x = 1,265,018.52 × 508,792.40
  4. Step 4: Simplify right side
    916,687.04x = 643,631,808,835.25
  5. Step 5: Solve for x
    x = 643,631,808,835.25/916,687.04
  6. Step 6: Final answer
    x = 702,128.19

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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.