Finding the Fourth Proportional to 977,498.70, 1,466,248.05 and 557,594.70
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Solution
The fourth proportional to 977,498.70, 1,466,248.05 and 557,594.70 is: 836,392.05
Step by Step Solution
- Step 1: Write the proportion equation
977,498.70 : 1,466,248.05 = 557,594.70 : x - Step 2: Convert to fraction form
977,498.70/1,466,248.05 = 557,594.70/x - Step 3: Cross multiply
977,498.70x = 1,466,248.05 × 557,594.70 - Step 4: Simplify right side
977,498.70x = 817,572,141,565.34 - Step 5: Solve for x
x = 817,572,141,565.34/977,498.70 - Step 6: Final answer
x = 836,392.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.