Home / 910,483.79-1,256,467.88-502,585.90

Finding the Fourth Proportional to 910,483.79, 1,256,467.88 and 502,585.90

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Solution

The fourth proportional to 910,483.79, 1,256,467.88 and 502,585.90 is: 693,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,483.79 : 1,256,467.88 = 502,585.90 : x
  2. Step 2: Convert to fraction form
    910,483.79/1,256,467.88 = 502,585.90/x
  3. Step 3: Cross multiply
    910,483.79x = 1,256,467.88 × 502,585.90
  4. Step 4: Simplify right side
    910,483.79x = 631,483,038,406.19
  5. Step 5: Solve for x
    x = 631,483,038,406.19/910,483.79
  6. Step 6: Final answer
    x = 693,568.68

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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.