Home / 916,300.89-1,264,646.93-508,533.71

Finding the Fourth Proportional to 916,300.89, 1,264,646.93 and 508,533.71

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Solution

The fourth proportional to 916,300.89, 1,264,646.93 and 508,533.71 is: 701,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,300.89 : 1,264,646.93 = 508,533.71 : x
  2. Step 2: Convert to fraction form
    916,300.89/1,264,646.93 = 508,533.71/x
  3. Step 3: Cross multiply
    916,300.89x = 1,264,646.93 × 508,533.71
  4. Step 4: Simplify right side
    916,300.89x = 643,115,586,287.11
  5. Step 5: Solve for x
    x = 643,115,586,287.11/916,300.89
  6. Step 6: Final answer
    x = 701,860.70

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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.